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化简(x-y)^3乘以(y-x)^2为
A(x-y)^5 B(x-y)^6 C(y-x)^5 D(y-x)^6
人气:203 ℃ 时间:2019-10-19 12:57:44
解答
(x-y)^3乘以(y-x)^2
=(x-y)^3*(x-y)^2
=(x-y)^(3+2)
=(x-y)^5
A
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