Question

求解(X+3)²-(X+1)(X+5),3(X的三次方)²（Y²）÷（三分之一XY）,

Answer 1

题目有问题,可能是输入法不对吧(X+3)²-(X+1)(X+5)=3,3(x^3)^2*y^2/(xy/3)=9x^5*y