计算:2ab^2·(-3ab^2)^22x(1-3x)-(2x-1)(4-3x)(2x+y)^2=(2x-y)^2+____
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计算:2ab^2·(-3ab^2)^22x(1-3x)-(2x-1)(4-3x)(2x+y)^2=(2x-y)^2+____计算:2ab^2·(-3ab^2)^22x(1-3x)-(2x-1)(4-3
计算:2ab^2·(-3ab^2)^22x(1-3x)-(2x-1)(4-3x)(2x+y)^2=(2x-y)^2+____
计算:2ab^2·(-3ab^2)^2
2x(1-3x)-(2x-1)(4-3x)
(2x+y)^2=(2x-y)^2+____
计算:2ab^2·(-3ab^2)^22x(1-3x)-(2x-1)(4-3x)(2x+y)^2=(2x-y)^2+____
2ab^2·(-3ab^2)^2
=2ab^2·9a^2b^4
=18a^3b^6
2x(1-3x)-(2x-1)(4-3x)
=2x-6x^2-(-6x^2+11x-4)
=2x-6x^2+6x^2-11x+4
=-9x+4
(2x+y)^2=(2x-y)^2+8xy
2ab²×(-3ab²)²
=2ab²×9a²b^4
=18a³b^6
2x(1-3x)-(2x-1)(4-3x)
=2x-6x²-(8x-6x²-4+3x)
=2x-6x²-8x+6x²+4-3x
=4-9x
(2x+y)^2=(2x-y)^2+_8xy___
2ab^2·(-3ab^2)^2
=2ab^2*9a^2b^4
=18a^3b^6
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