Question

已知：xy平方·（－x平方y平方）·（1/2xy立方）平方的值

Answer 1

xy^2*(-x^2y^2)*(1/2xy^3)^2

=-1/4*x^(1+2+2)y^(2+2+6)

=-1/4*x^5y^10

=-1/4x^5y^10