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Who is Smarter? 2 College Students vs Chinese 5th Grader
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- Published on Mar 4, 2026
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We are back with Xian Xian! You might remember him from a few videos ago where we had Sheldon go up against a Chinese 5th grader to see who was smarter and let's just say Sheldon didn't stand much of a chance. This week, we brought in 2 computer science majors to see if they can take on the Chinese 5th grader- let's see who is smarter!
Solution to the last question:
mindyourdecisi...
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X2 he is lovely and gentle.
Two Chinese kids won the recent WCA 2025 Rubik's Cube World Championship, Champion Yiheng Wang (王艺衡) (age 11)! 😘😍🥰 2nd, Xuanyi Geng (耿暄一) (age 7) ruclips.net/video/aJpy3csFoL0/video.html Two Chinese teams won the recent International Mathematics Olympics, the Champion from China and the second from the US. 😘😍🥰 So, no more surprises!
@internationaldaily9820 The International Mathematics Competition (IMC) for University Students awards "Grand First Prizes" to the top performers, usually to a group of individuals rather than a single absolute winner. It's often the case that multiple students achieve perfect or near-perfect scores.
Given the nature of the IMC results (multiple top-tier awards each year), and the fact that the 2025 competition is yet to happen (as of current date July 28, 2025), I will list individuals who achieved a Grand First Prize or were explicitly highlighted as absolute winners for the years 2020-2024. Please note that "top 5" is a fluid definition in this context as more than 5 students can achieve the highest distinction.
Here are some of the most notable winners in the last 5 years of the IMC, based on available results:
IMC 2024 (31st International Mathematics Competition)
* Maksim Turevskii (Russia): Achieved an absolute perfect or near-perfect score. (St Petersburg University) - Note: This individual has consistently been a top performer.
* Brandon Ni (United States): Gold Medal
* Andrew Lau (United States): Gold Medal
* William Chen Wu (United States): Gold Medal
* Daniel Sun (United States): Gold Medal
* Louis Qiu (United States): Gold Medal
* Nguyen Phong Chau (Vietnam): Gold Medal
* Huang, Yu-Cheng (Taiwan): Gold Medal
* Wang, Yu-Yu (Taiwan): Gold Medal
* Lachezar Georgiev Tomov (Bulgaria): Gold Medal
IMC 2023 (30th International Mathematics Competition)
* Maksim Turevskii (Russia): St. Petersburg State University - Likely the absolute winner or one of the very top scorers.
* Nico Karcher (Germany): University of Bonn
* David Matolcsi (Hungary): Eötvös Loránd University
* Aleksei Shishkin (Russia): Moscow Institute of Physics and Technology
* Bence Antal (Hungary): Eötvös Loránd University
* Nikita Karagodin (Russia): St. Petersburg State University
IMC 2022 (29th International Mathematics Competition)
* Maksim Turevskii (Russia): St. Petersburg State University - Consistently a top performer.
* Attila Gáspár (Hungary): Eötvös Loránd University
* Aleksandr Grebennikov (Russia): St. Petersburg State University
* Martín Gómez Abejón (Spain): Universidad Complutense de Madrid
* Marat Abdrahmanov (Russia): St. Petersburg State University
IMC 2021 (28th International Mathematics Competition)
* Attila Gáspár (Hungary): Loránd Eötvös University - Achieved a "Grand Grand First Prize" (perfect or near perfect score).
* Alexandr Grebennikov (Russia): Saint-Petersburg State University - Also achieved a "Grand Grand First Prize".
* Lior Hadassi (Israel): Tel Aviv University - Grand First Prize.
* Ilia Ivanov (Russia): Saint-Petersburg State University - Grand First Prize.
* Nofei Ben-Hur (Israel): Tel Aviv University - Grand First Prize.
IMC 2020 (27th International Mathematics Competition)
* Stanislav Krymskii (Russia): Saint-Petersburg State University - Achieved a "Grand Grand First Prize" (absolute winner with 73/80 points).
* Shvo Regavim (Israel): Tel Aviv University - Grand First Prize.
* Alexandr Grebennikov (Russia): Saint-Petersburg State University - Grand First Prize.
* Roee Sinai (Israel): Tel Aviv University - Grand First Prize.
* Viet Hoang Tran (Vietnam): Vietnam National University - University of Science - Grand First Prize.
Note: The IMC website provides detailed results for each year, often listing multiple students who achieve "Grand First Prize" due to their exceptional scores. The list above highlights those explicitly identified as absolute winners or consistently at the very top of the Grand First Prize recipients.
u reinforce asian stereotypes to please ur pig skin audience 🎉🎉 goodjob ching
Its no surprise the chinese kid is so smart ( im also chinese) we are but through alot of pressure for studing and we are really looked down upon compared to what we actually do, and im pretty sure he isnt even considered that smart for a chinese kid
its crazy that he can solve these problems while simultaneously being able to be entertained by two pieces of foam.
226 likes and no comments？
are you saying the two college students are two pieces of foam?
@sicoii No, he played with the foams each time he finished answering before them two
The kid is just good at math, but being adult means being good at math is not everything
@iAmtheTrueman if someone reads that and actually understands, I need to learn English more
Also, being good at math can help with professions that are math oriented, like physics, astronomy, engineering, etc
Seriously if this kid open youtube channel for teaching math i will definitely watch him.
yeah!
He doesn’t speak English
Same
What? Like 5th grade maths? Lol
there are kids in China teaching Taylor series online I think. It's still pretty wild considering I grew up in China and have a BS in math.
can we get the boy a better toy 😭 WHY IS HE PLAYING WITH STYROFOAM😭
Your right,(even though I don’t play with toys
💀💀💀
那不是玩...是給提示..矩形交叉延伸
這很有趣
math is his toys
I thought I was decently smart... And then I see this
You actually are smart, it’s a difference in cultures. In China you may be average yet in America you are way above average
Fr😢
Well it depends on which class if ur actually above 7 class and not able to answer all of these i would be srsly concerned
@MANIMELINAPATRA im in college, comsci... passed the top unis in my country... yet i suck here 😊 IM ALSO CONCERNED HAHAHA
@Ava-l1v8tthat's an insult for Americans 😂
Man I am seriuosly questioning my master's degree right now... 😮😢😢
This kid makes think like I don't deserve the grades i got in math 😭
You don’t know what’s math in China
i went to kindergarten in china and HOLY the math there was so hard (about grade 1-3 in canada😭)
@yuriartsy I didn't realize it was that bad, I thought that was normal that everyone hated it and it was hard😅(I'm chinese btw)
@Amy_5463 ig ur just smart cuz with my -3 braincells? i barely survived
Me too even though im considered “smart”
xianxian was too bored that he tried to find the equilibrium of a white board eraser lolll
Where did you find this? (timestamp please)
@ROSOSC 12:52
i see ( thank you )
FR 😭🤚🏼
Insane
I’m from China. Before I even started elementary school, I had already finished learning all the math content for 6th grade-not because my parents forced me to, but purely out of interest. However, the level of competition in China is beyond what most people can imagine. Although I was among the top three students in my class during elementary school, by the time I reached middle school, my ranking had dropped to around fifth to tenth place in my class. In high school, I got into an elite class, but even then, I was near the bottom of the class rankings.
In the end, I was admitted to a “985” university (one of China’s top universities), but my performance in college was also just average. I always considered myself quite smart, but the truth is that I have never once ranked first in my class. I was good at science subjects, but still couldn’t win any competition prizes. The level of competition in China truly exists on a whole different dimension.
omg hiiiii I'm chinese also
Same
Sameee
I’m also from China but I was born in Canada so I didn’t go to school there
太累了😫
im lucky im chinese so i can understand everything
I’m so dumb the first question I was “OH easy! Glucose!”
No one is mentioning that there were 2 against 1! And he was still done before them! Amazing
2v1 doesnt justify anyhing tbh, 2 great minds but seperated by a wall is equal to 1 mind, or in math language 2/2=1
@GrimReaper-b3o I'm not sure I get your point. These 2 guys weren't separated by a wall they were able to confer and discuss. I can't see how that's not an advantage.
Yeah it was and advanatage but not by 2x because if they are both friends in the same class then they prob have simmilar knowlage but there are still some unique things
Just like EU and USA are against China;but China is still leading!😊
and that's a 5TH GRADER AGAINST 2 COLLEGE STUDENTS
This kid has an extreme level of IQ. He is very clear and simple in his way of thinking. This simplicity is a signature of genius.
It’s because he’s 13 years old in six grade. I’m 13 years old in ninth grade
Children in china start school later than children in countries like America, Australia and Europe.
@SBstudiiosstill
@BellaBennet-h2pi thought they start earlier? They start grade one on their 6th year old july
@ChloeWu-g6lIn some country kindergarten was considered part of school...so just different system
Truly impressive how Xian Xian solved these problems through alternative ways of looking at things, and so swiftly and calmly too.
So glad you mentioned this! Our daughter is in 1st grade in China and two things I told my husband that I wish I had in my country when I was little and that she has here are 1. Kindergarten, School and family put great emphasis on building good routines/habits since very early on, and if you have Chinese friends/colleagues you can see how those habits are still there 2. She is taught how to look at problems in different ways and she has so in maths and in life in general
Chinese copy. Only Americans can innovate.
It’s actually not really an alternative, we just teach them in school 😢😢 but it is a talent to use them so efficiently I agree. He is definitely above the average.
Makes you think about the exam factory system the west has created
It's not about alternatives but how about you visualise the problem
Like basically try to highlight problems in red (not literally just in your brain) and if that doesn't work then the answer is usually hidden in the question itself
15:43 bro couldnt belive his eyes that the americans future are those guys
In the Mathematical Olympiad, the winners are basically Chinese, Chinese, and Chinese of Chinese descent. The Chinese are the most intelligent group in the entire human race. Looking at the Sports Olympiad, China is also the second country in medal count, while American athletes are of all races, while Chinese athletes are all Chinese. In summary: The Chinese race is the most physically and intellectually excellent group in the entire human race. Previously, because China was in an era of war, China's scientific capabilities had not been brought into play. In recent decades, China's economy has improved, and then breakthroughs have begun in the field of science. Now, half of the world's AI researchers are Chinese, Chinese, and Chinese of Chinese descent.
Believe
They got it right, he got it wrong tho. 4 was the minimum, and 7 the max.
@potato6216exactly, even with gravity 4 is possible
@potato6216igual el chino es inteligente
5:26 im surprised how they did a long process on 9 ÷ 10% like bro its just 9 × 10 😔
Nah but that only works for a few numbers. For example 528 divided by 18% is 2,933.3333 etc. but 528 x 18 =9,504. But I totally agree, I’m young and they were rlly slow 🥀, the easiest way to do it is to multiply the original number by 100 then divide it by the percentage number. (Using the same example as before; 528 x 100=52,800 divided by 18= 2,933.3333 (4dp) Sorry I felt like going all nerdy..😺🥀
because 10% is 0.1, the meaning of divide 0.1 is dividing 1 into 10 pieces. So, if you divide each 9 into 10 pieces, you got answer very easily... As a chinese, I really didn't understand why this stumps people for so long
another way of getting answer fast is thinking about 10% as 10/100, so if you divide fraction, you can change it to multiply by switching the number aside semicolon, which would be 9×100/10，that's how it becomes easy
哈哈哈😂你的數學一定是體育老師教的。%去那裏了？😊😊😊😊
@rylee5233thats how i think, 9 divided by 1 tenth is how i read it, using handmotions i flipped the 10 and got 9 times 10 😅 still needed the visual reference but i easily got the answer.
The college kids started to copy the kids homework after he took the lead
lol😂
cheaters !!!
@xeeaxx Both sides got to have a peek, stated clearly in the beginning of the video
He caught up to that and started hiding his answers toward the end.
It's mind blowing how calm he is for the bonus question at his age...
Chinese students are very familiar with super-hard bonus math questions because that's what we usually get at the end of a math test to challenge us, and it starts early in elementary school.
@puddingmochi嗯那 我知道
My brain doesn't understand anything.
So true 🤧
I got all the science questions right, but only half the math ones right lol
bro im chinese and why do i only understand half, im grade 9 bro
And the american 5th grader is doing tiktok dance
actually same here in China there are jus kids that are smart
@jiangxie2434well the kids weren’t born smart..they studied hard, so technically anyone can be like them
@Catherine-y9b unfortunate that they have to study so hard only to work in a factory, really an inferior education system.
@DirkNobull-l2fyeah, in many Asian countries education is really competitive and hard ngl.
@Catherine-y9b doesn’t mean it’s better though, it is only more competitive because their population is larger and the ccp likes to keep its youth distracted so they don’t protest anymore
I wonder the level of education in CHINA I was shocked when bro said his 1 graded sis learned about natural selection which I learned in grade 9 in NEPAL 😮
The speed that he got the answers, but also the differences in approach.
Yep. Creative.
bro he makes my straight A’s look like Straight F’s
Thanks for having me on! It was a lot of fun!
no problem!
Danggg 😊
You guys were good as well but this 5th grader is impressive
@ChristopherChenstopherbro u did not invite him
@DUCKY-RAPTORhe did i was there
We need to get xianxian a new toy😂
20:15 he didn’t spot it, it’s a formula, u add both the shapes and subtract the rectangle area means u subtracted the area that doubled and the all the excess one that was not needed, leaving you with the shaded part.
Has done that before.
La cosa es que son inteligentes
Xian Xian playing with the Styrofoam things as he waits is so cute 12:46
I do'nt think so, he is bragging to much :D
@mimosal3767bruh he is just a kid, why do he need to brag?
@angelalpe3614 as if kids can't brag! because it is a competition ? Also, seems you have no idea how kids are raised in China :D
even in less competitve environement, kids brag, all of them, don't they ? did you ever play online ?
I don't see how he is "bragging"? He seems to be just waiting.
Can we actually appreciate how hard working chinese students are.I think that kid is studying very very hard and has a bright future ✨loved it ❤❤
I think it's not just about studying, but the teaching as well. Chinese school tailors their curriculum and teaching methods in such a way that their students thrive and are very advanced.
You are paid by CCP.
No, this kid is a genius. You can tell that from his face, I have an IQ above 140, but I can tell he is still far smart than me.
@Headless_Nedwe can't demonstrate that, besides the chinese education programmes are beyond almost anyone
@ncgn13 Even though this kid is in the top of his class, there are many similar to him (not far behind him)...unlike here in the USA where I reside. My 10 year old son's teachers are NOT that bright to me...and the way they try to teach STEM isn't the best imo, and they have been criticized for this, but they won't change it. I feel bad for the many talented students in China who unfortunately - most of them will not be able to use them since there are only so many opportunities for them.
4:46 "yall actually went to college? " part is so savage 💔🥀🥀🥀✋😔🤚🤭🤭🤭
he looks so disappointed
On bro😢😂🙏
I mean I can understand him it's common sense btw
I would act like that too if 2 guys don't know what is the farthest planet from the sun💔
16:35 The answer is 5 and 7. You cannot use 8 blocks here.
22:11
Their "hueh?" is so cute and hilarious at the same time😂
YAY! more xianxian please~ him solving these questions instantly is hilarious lmaoo
nah he busy completing his classmates and tryna get top grade😂
My son was in private school here, but he wasn’t really learning anything. I’ve sent him to China to try a different approach. We’ll see how it goes.
Cap
@SportsO8 If the person's American, I could believe some Chinese American parents are that obsessed with academics and detached from their children.
True@SpocksCat
I just look at their last name and it makes sense now@SpocksCat
My friend’s daughter didn’t learnt mathematics in secondary school in New York. But the daughter wanted to be a vet. So , my friend talked to the school principal for adding mathematics in F.4 . Luckily after lots of works, the school has mathematics subject. His daughter is studying vet in a famous UK Uni now.
0:12 seconds in the Chinese kid winning😂
How did they not answer the 7th planet from the sun correctly? 😂
12:51 Xian Xian is either thinking about cars racing down a slope or some math stuff 😭😭
I went through the 5 stages of grief watching this video… I’ve now accepted that I’m just dumb .-.
Chinese students use logic to solve problems. Singapore schools do that as well. This is why this boy is so fast.
well they practiced solving these logics like these ,so they get good at it,maybe should use something that require logic but they both didn't practice it
@fdgdfgdfgdfg3811you have already written something that has no logic!
Because, China has large influence in Singapore
@IdevourpcsSo, is it a good or bad influence?
As someone who studied in Soviet-Russian schools and competed in math olympiads, I'm honestly not impressed at all. The boy is smart, but forgive me, he would just be an ordinary schoolkid in our system. Many things he simply computes faster than others, but algorithmically it's more or less the same. (The editing cuts were funny, too, where he supposedly solved it in seconds, though the whole board was already covered in writing.)
Xian Xian is on the other side of chatgtp when you ask it to solve a math question. its actually Xian Xian typing it for you.
😂
Actually at 19:00 it did not state if those were quarter circles so there is no way he could have known that the parabolas kept the same distance from the center thus making the area of the circle divided by 4 not certainly correct because of the way the question is phrased
10:14 thought the answer was b because the question said ‘A, B, and C broke the window. Who is lying?’ Or maybe I am too delusional.
I laughed out loud when he said the type of cube wasn’t specified and a metal cube could be soldered on 😂
Already thinking like an engineer. What do they put in the water in China!
I'm Chinese and I'm gonna tell you that the competition in China is literally INSANE and I have some friends in public schools that tell me the teachers there are unbelievably strict and I'm glad that I learn the IB course (Even though IB is also hard asf)
ok
Don't let my mom see this video
hi hi hi hi
🤣🤣🤣
why do you guys have a portrait of Mao in the background? 😭😭🤯
tbf the last question was drawn in a way where you cant really see the relationships, its missing lines to represent equal shapes/lines, you can only assume but you're supposed to never assume something is equal unless told.
I think i should just quit
17:29 instead of a mic drop, he marker drop! this is such a sassy move, man! 🤣🤣🤣🤣
by statistics alone china is creating for most STEM students, the most middle class and the most engineers by the year
21:28 you not showing all the parallels here was criminal I will be suing for mental damages.
how do you mess the planet questions honestly
Two Chinese teams won the international Maths Olympiad, one from China and the other second one, from the US! 😘😍🥰 Two Chinese kids won the recent WCA 2025 Rubik's Cube World Championship, 1st Yiheng Wang (王艺衡) (age 11)! 😘😍🥰 2nd, Xuanyi Geng (耿暄一) (age 7) 😘😍🥰
The US team that win the math contest were also students from China 😂
If people were complaining how unfair it was for Sheldon vs the kid, because Sheldon was out of school for years. Then, how is it fair when it's the kid versus two college students? That kid needs another red envelope.
actually it is also unfair to them. because in order to solve these problems, you need to know some principles which are actually simple but after high school they would become vague.
Yeah
He missed many possibilities, in one question, if you consider permutations, there are 361 ways to take out 33$
@real.snatchwt fudge r u mad
this 5th grader is a reoccurring character he got so much aura atp
For Q10: There's another way to do it in formulas. Extend and draw a 8x8 square, then subtract the empty spaces.
64
-(64-16π)
-12
-(36-9π)
= 25π -48
As an American the chinese way seems so much easier. Why don't we learn math this way.
Ikr, it makes me wish I took that style of course in preschool-elementary, I wouldn’t struggle so much now
I'm an Indian who was born and (mostly) raised in Michigan. I remember doing Singapore Math books as a kid because my parents forced me to, and I never really liked math in elementary school because it was boring. I would usually finish my work while the teacher was explaining concepts to the other students. When I was nine and a half, my parents put me in a math class outside of school for the first time. Unlike school math, this math (which I later learned was competition math) was actually fun and rewarding. I ended up growing a lot in math because of this class (from doing linear equations with 2 variables in 4th grade to trig in 6th). I'm currently going into 7th grade and teaching myself precalculus while trying to convince my parents to let me test out of Algebra 2 next year. However, this is considered average in my math class bc there's a kid my age there (he goes to my school) who knows all 3 types of calc and is currently studying graph theory. I think Xian Xian is amazing and he's definitely going to go places someday. :)
Im from singapore, when people were learning model at 9 years old in P3, i was using algebra, without knowing that it is algebra. I called it the ratio method. But is actually simulataneous equation which i only knew the name about it in Sec1, 13 years old
@yekai7599 That's so cool!
Hi from Michigan! Good job! You will do great in life.
@LaBelle22 Ty! I'm from Michigan too!
man im learning algebra in P6
This was so impressive. I think North American schools need to look into China's teaching methods.
I teach maths at a high high school in India and still had to take while to solve the last question. Damn this kid is smart!
The kid is just chilling at the start and playing
Bro call me a dumbass in 67 languages
67
I’m incredibly impressed. I’ve hosted Chinese high school students for 15 yrs and every single one of them were accelerated math and science students. Their English command and usage was also astounding.
14:03 brain damage...
Actually I think that both of the solutions are complicated.
More simpler : there are two possibilities : more 5 or more 2.
First case : you can write the number as 7n+some 5s. There are exactly the number of ways to make 7n ending in a 3 or a 8 (so that you can add the 5s and get 33) so exactly 1 : 7*4=28.
Second case : same but there are exactly the number of ways to get 7n odd and you can add some 2s.
There are two ways : 7*1=7 and 7*3=21.
So 1+2=3.
@kikilolo6771even more brain damage…
@Ducky-w1v Same. I accept the fact that I am stupid lmao
Maybe my solution will help (a little late I know), the only way to make 33 with 5 and 2 is to get an ODD NUMBER at first so 2 cannot and with 5 there is only: 5, 15 and 25 that are below 33 so 3 ways ^^
You can only get either 0 or 5 as last digit with only 5s. So need to figure out a way to get a smallest number which ends with 3 when you have both 5s and 2s. You can't get 3 obviously, and only 1 solution to 13 = 5 + 2 * 4. Then the question becomes "how many ways to get 20 with 5s and 2s" - you get 10 = 2 * 5 or 5 * 2 - then 3 combinations to get 20 - hence 3 combinations to get 33
Exceptional Xianxian; the other 2 gentlemen/ boys are totally enjoying what they're doing; all these 3 are happy kids.
It's pretty natural for college students to forget or find it hard to answer most of the questions because as a college student, you study different things. Most of questions like these are based on highschool or elementary stuffs that adults already forget cause those have no value in real life anymore
I also think the kid might experienced some kind of training before the interview. A normal would not get the answers that fast although he may get at enough time or immediately in some problems. If a child can get that fast without knowing the questions, he would be second Euler.
@kyaw174it’s just Chinese math, kids learn algebra before grade3, also Math exams in china do not allow calculators so they’ve been learning to do mental calculations since grade 1. He’s also preparing for the exams that will decide if he can go to a good middle school. Most of the math problems are simple logic, you learn to do one, you can deduce the others.
@buibuiopolismayor7329That is what I am talking about. The kid probably won't be able to solve or difficult to solve a problem if he haven't face a similar problem.
@kyaw174that’s actually not true, because the kid is taught the logic of problem solving, if you have the building blocks of problem solving in math, you can solve problems you’ve never seen before. Plus the exams don’t regurgitate problems, there are always a few questions on the exam that helps to separate average and best, they are designed to be out of level and you need to be able to problem solve if you want to get into the best middle school.
@buibuiopolismayor7329 For me something like logic of problem solving, creativity ability is very very extremely difficult to learn, get and also difficult to measure. If it can be get by external factors, everyone would become genius. It is born gift. External factors can only change very little. (That is why I am saying if he can solve without past experience, he is second Euler.) I think many Math problems (as much as I faced) are still influenced by memorizing. I also read about some very creative and problem solver genius. Einstein is good in Math and Phys but he is not always at the top. He seem a little weak in Math if according to final University score. Stephen Hawking is a great scientist. But he is not at the top in primary and middle school. He outperformed in University. I also heard about Edison who get out from school. The last Fermat's theorem was proved only after many years after it was introduced right without prove. (The first man wrote it is too long to prove but it is true.) If logic of problem solving skill can be acquired, it won't be that long.
School teachers would say I want you to know the logic, concept, blah...blah of problems. I think it is memorizing pattern of problem solving. For me, if problem solving skill can be teach, everyone will become genius. I doubt some genius won't even know himself that he is extremely good. (I doubt because Edward Witten would apply to Math and Phys major first if he know himself that he is extraordinary.)
You can check my facts by googling or asking ai. I think most of my facts is right and you might understand it is difficult to learn and measure the problem solving skill. (Maybe only difficult to measure.)
Edited : Born gift has huge impact on that skill.
That shaded area one , did it mentally- took more time off course than that kid . 😂😅.
It must be very demoralising to see the kid finish the question so quickly and playing with his toy while the CS undergrads are still figuring the solution.
This kid's logical thinking is incredible for his age.
As a 14 year old The question with the parallelogram I knew how to solve it because I have seen an video about it's solution. Plus huge congratulations to the kid. He is just amazing 👏 🤩. Also the other shaded area problem I didn't know. I guess I just learned something new now. Thanks again kiddo!
The question is flawed. It should have mentioned that the outer 2 lines are parallel and the inner 2 lines are parellel.
@yekai7599 exactly this question is not complete. Too many assumptions
@yekai7599the guy in the video did say it was a parallelogram
10:08 The first line says they all collectively broke it. Person A says C broke it (true if they all broke it together). Person C says it was B (same logic). Person B says “I didn’t break it” which is the only explicit lie told. I see the logic behind person C, but I think it’s written poorly.
That’s what I was thinking. It literally said all of them broke the glass. Unless I’m missing something.
Honestly last question is very variable- since there is no gurantee that the lines within the parallelogram was parallel
As a mid age Chinese , I feel confidence. Our kids are humble and working hard on their age.
I don’t the general students are learning the same advanced math as xianxian does. He is probably talking some extracurricular training classes
@poppyred7411 exactly, but I ever young ,I had my basic education in China. I know how the average level is
@poppyred7411of course he top 1% in China, and 1% of Chinese population is around 14 million people
@poppyred7411 As a Chinese person, I can tell you with certainty that this is elementary school level material.
@HeheLife123I am too. Maybe they learnt more advanced math now at elementary schools. I definitely don’t learn these things 30years ago
Wth is this powerscaling 😂. They really be treating the 5th graders like the gods of wisdom.
I through i was pretty smart in maths but Xianxian broke my ego😭...i want more videos like this . I really enjoyed it ✨
How did they come to the conclusion of those relationships in the last question? Nothing is given to us so how can they say that area of one triangle is equal to the other
actualy depending on which side is facing up it's 51% and the bottom side of coin facing your palm is 49% chance
China has really done something grt I mean it’s building future excelling in every field
I have an idea, how about ask the Xian Xian to do SAT Math
Hats off to the kid. He is very "fit" when it comes to solving problems, exceptional for his age.
can confirm, as someone whos done school in canada and china, i do math witha mixture of the two coountries with some bias to china.
at 15:20 if you push the center cube from the front view back and omit the furthest back cube you can do it with 4 and not have to take out gravity.
Bro is preparing to challenge einstien
when he said we are going to math i loved the look of the boy and damn u captioned exactly how i pictured in my mind🤣🤣🤣🤣
cant get enough of this! LOVE IT!!
The kid is like he was born to solve Math problems
I’m doing flash cards right now btw plus I’m doing division in 3rd grade at home I didn’t learn in school but my mom taught me
More videos like this with Xian Xian. He’s super smart.
More xian xian!!
"are you smarter than a 5th grader" theme plays
But he's not really a 5th grader, He is 13. 5th graders are 9-10 years old. 13 is high school.
How does that kid knows about everything so well ! That's really impressive
13:27. Bruh they used brute force. That is so. Computer science coded lmao😂😂😂😂😂
Use some AMC 8 math problems, which are generally taken by 13 year olds in the US. Also include some probability and combinatorics questions
19:40 The way I calculated 25 * 3.14 mentally is just 3 * 25 + .1 * 25 + .04 * 25 so 75 + 2.5 + 1
It's easy. Many Chinese people are calculating.
When I see 25, it can be 100/4 or 5*5, so 25*3.14 = 314/4 = 78.5.
@cjp11886 based
Mao aura farming in the background.
Jesus I was going to do integral calculus on those partial circles, which shows how much you can overthink things.
On the first geometry problem I couldn't get 8, but I did get 4 and I also asked about gravity.
Love seeing Xian Xian back! These competitions are both entertaining and educational 😂
We want more videos with xianxian he's such a genius fr every time he shows the question Im like wow how can they solve this then the kid just gave the correct answer 😭😭💖💖💖
Xian xian: battle of the college students and 5th graders
Bruhh the kids is smater than me, i’m just senior high school but any of this questions i have no idea.