计算 (1/3a^2b)^2*(-9ab^3)/(-1/2a^4b^2) 因式分解:4x^2(x-y)+(y-x)急.
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计算(1/3a^2b)^2*(-9ab^3)/(-1/2a^4b^2)因式分解:4x^2(x-y)+(y-x)急.计算(1/3a^2b)^2*(-9ab^3)/(-1/2a^4b^2)因式分解:4x^
计算 (1/3a^2b)^2*(-9ab^3)/(-1/2a^4b^2) 因式分解:4x^2(x-y)+(y-x)急.
计算 (1/3a^2b)^2*(-9ab^3)/(-1/2a^4b^2) 因式分解:4x^2(x-y)+(y-x)急.
计算 (1/3a^2b)^2*(-9ab^3)/(-1/2a^4b^2) 因式分解:4x^2(x-y)+(y-x)急.
(1/3a^2b)^2*(-9ab^3)/(-1/2a^4b^2)
=(1/9a^4b^2*-9ab^3)/(-1/2a^4b^2)
=2ab^3
4x^2(x-y)+(y-x)
=(x-y)(4x^2-1)
=(x-y)(2x-1)(2x+1)
计算结果为6ab^3 因式分[4x^2-1][x-y] =[2x-1][2x+1][x-y]可以没
2ab^3
(x-y)(2x-1)(2x+1)
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