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问题: 数学整式除法

-6(x-y)^6÷1/2(y-x)^5
5(-x-2y)^3÷[-0.6(x+2y)^3]

解答:

-6(x-y)^6÷1/2(y-x)^5
=-6(x-y)^6÷[-1/2(x-y)^5]
=12(x-y)

5(-x-2y)^3÷[-0.6(x+2y)^3]
=-5(x+2y)^3÷[-0.6(x+2y)^3]
=-5/-0.6
=25/3