Harvard Elementary High school maths question | Harvard University interviews tricks |

[@ziarfid]

ممتاز شكرا

[@wes9627]

27^{1/3}=3; 27^{-1/3}=1/3; 27^{-1/3}+(-1/3)=1/3-1/3=0

[@Misha-g3b]

-0,(3).