Размер видео: 1280 X 720853 X 480640 X 360
Показать панель управления
Автовоспроизведение
Автоповтор
2/5(n + 2) = 6, n + 2 = 6 · 5/2 = 15, n = 13.
Good
2/5×5(n+2)--5×6=0×5. =>2(n+2)--30=0=>2n+4--30=0. => 2n--26=0=>2n=26=>n=13.
You're right
Correct
13 and it did not take me a billion seconds. You don't know any maths. Period
Wow your very bright
2/5(n + 2) = 6, n + 2 = 6 · 5/2 = 15, n = 13.
Good
2/5×5(n+2)--5×6=0×5. =>2(n+2)--30=0=>2n+4--30=0. => 2n--26=0=>2n=26=>n=13.
You're right
Correct
13 and it did not take me a billion seconds. You don't know any maths. Period
Wow your very bright