1:(2/3x^ay^b)^2(-9/5x^3ay)(-xyz)2:(510^5)^3除以(2.510^3)(-410^-7)^23:[(3x-2y)^2-(3x+2y)(3x-2y)]除以(2y-3x)

题目详情

1:(2/3x^a y^b)^2 *(-9/5x^3a y)*(-xyz)
2:(5*10^5)^3 除以(2.5*10^3)*(-4*10^-7)^2
3:[(3x-2y)^2-(3x+2y)(3x-2y)]除以(2y-3x)

▼优质解答

答案和解析

4z/5x^(5a-1)y^2b
625*10^24
4y

看了1:(2/3x^ay^b)^2...的网友还看了以下：

1:(2/3x^ay^b)^2*(-9/5x^3ay)*(-xyz)2:(5*10^5)^3除以(2.5*10^3)*(-4*10^-7)^23:[(3x-2y)^2-(3x+2y)(3x-2y)]除以(2y-3x)