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[函数] 二次函数

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APPSYZY posted 2020-12-5 21:53 |Read mode

Last edited by APPSYZY 2020-12-8 02:01$ax^2+bx+c=0$

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kuing posted 2020-12-5 22:10

漏条件了吧，目前来说只需 `a<0`, `b<0`, `a+b+c=0` 且 `a-b` 为整数，显然不能确定 `ab` 啊

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original poster APPSYZY posted 2020-12-5 22:28

回复 2# kuing
我也觉得这卷子漏掉了c=1这个条件，太坑了...

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2025-7-15 14:28 GMT+8

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