(0.25a^2b-2/1a^3b^2-6/1a^4b^3)/(-0.25a^2b)关于积的乘方

(0.25a^2b-2/1a^3b^2-6/1a^4b^3)/(-0.25a^2b)关于积的乘方
(0.25a^2b-2/1a^3b^2-6/1a^4b^3)/(-0.25a^2b)
关于积的乘方

(0.25a^2b-2/1a^3b^2-6/1a^4b^3)/(-0.25a^2b)关于积的乘方
(0.25a^2b-2/1a^3b^2-6/1a^4b^3)/(-0.25a^2b)
=-1+2ab+2/3a²b²
=(2/3)(a²b²+3ab-3/2)
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