(x-2y)³(2y-x)²等于
问题描述:
(x-2y)³(2y-x)²等于
答
(x-2y)³(2y-x)²
=(x-2y)³(x-2y)²
=(x-2y)的(3+2)次方
=(x-2y)的5次方
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