计算:(x - y)^6 ÷(y - x)^5+(-x-y)^3 ÷ (x+y)^2=_____ 有步骤吗?

2025-03-04 02:41:02
推荐回答(2个)
回答1:

=(y-x)^6 ÷(y-x)^5-(x+y)^3÷(x+y)²
=y-x-x-y
=-2x

回答2:

-2x