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数学
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分解因式:①-4m³+12m²-6m=()(2m²-6m+3)
②5(x-y)³+10(y-x)²=5(x-y)²()
人气:312 ℃ 时间:2020-05-14 07:03:36
解答
①-4m³+12m²-6m=(-2m)(2m²-6m+3)
②5(x-y)³+10(y-x)²=5(x-y)²(x-y+2)
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