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数学
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多项式2ab^2+5a^2b-10b的公因式是_______
答案不是应该是2b吗?我算出来2b,经过验算结果都对.但练习书给的答案是b
人气：343 ℃ 时间：2020-05-17 19:41:14
解答
5a^2b里就没有公因式为2b的
5a^2b/2b=2.5a^2,不是整式了
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