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分解因式计算6x³y(x-y)³-4xy³(y-x)²
人气:202 ℃ 时间:2020-06-09 09:48:06
解答
6x³y(x-y)³-4xy³(y-x)²=6x³y(x-y)³-4xy³(x-y)²=2xy(x-y)²[3x²(x-y)-2y²]=2xy(x-y)²(3x³-3x²y-2y²)
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