(-x)的平方乘(-x)的3次方乘(-x)的2n次方乘x2n-1的次方(n为正整数)
人气:217 ℃ 时间:2019-09-29 15:58:21
解答
=x^2*-x^3*x^(2n)*x^(2n-1)
=-[x^2*x^(2n)*x^(2n-1)*x^3]
=-[x^(2n+2)*x^(2n+2)]
=-x^(4n+4)
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