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数学
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已知X为整数,且分式3X ^2+6X+3/X^3+2X^2+X的值为整数,则X可取的值有 个
答案写的是三个
人气:287 ℃ 时间:2020-01-26 01:30:14
解答
除了一和负一还有一个分数儿把
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