幂的乘方,一道数学题:计算:-(x-y)^2乘(y-x)^3
问题描述:
幂的乘方,一道数学题:计算:-(x-y)^2乘(y-x)^3
答
-(x-y)^2 × (y-x)^3
=-(y-x)² ×(y-x)^3
=-(y-x)^(2+3)
=-(y-x)^5