[x^(-2)*y^(-3)]^(-1)*[x²y^-3)]²
=x²y³*x^4*y^(-6)
=x^6/y^3
=(x²/y)³
(X的负的平方乘Y的负的立方)的负一次方乘（X²乘Y的负的立方）²=_____.
(X的负的平方乘Y的负的立方)的负一次方乘（X²乘Y的负的立方）²=_____.
数学人气：534 ℃时间：2020-03-29 23:54:26
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