计算 (2ab^2)^-2(a^2b)^2/(3a^3b)^2(ab^3)^-2

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计算(2ab^2)^-2*(a^2b)^2/(3a^3b)^2*(ab^3)^-2计算(2ab^2)^-2*(a^2b)^2/(3a^3b)^2*(ab^3)^-2计算(2ab^2)^-2*(a^2b

计算 (2ab^2)^-2*(a^2b)^2/(3a^3b)^2*(ab^3)^-2
计算 (2ab^2)^-2*(a^2b)^2/(3a^3b)^2*(ab^3)^-2

计算 (2ab^2)^-2*(a^2b)^2/(3a^3b)^2*(ab^3)^-2
(2ab^2)^-2*(a^2b)^2/(3a^3b)^2*(ab^3)^-2
=1/4a^-2b^-4*a^4b^2/(9a^6b^2*a^-2b^-6)
=1/4a^2b^-2/(9a^4b^-4)
=1/4a^2b^-2*(a^-4b^4)*1/9
=1/4*a^-2b^2*1/9
=a^-2b^2/36
=b^2/(36a^2)