(x-y)的二次方乘(y-x)的七次方乘(y-x)的(m+1)次方等于多少?
人气:412 ℃ 时间:2019-08-17 11:05:40
解答
(x-y)的二次方乘(y-x)的七次方乘(y-x)的(m+1)次方
=(y-x)^2*(y-x)^7*(y-x)^(m+1)
=(y-x)^(2+7+m+1)
=(y-x)^(10+m)
=(y-x)^10*(y-x)^m
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