【判断题】【消耗次数：1】
不定方程一定有解.
①
正确
②
错误
参考答案：
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相关题目
【填空题】
不定方程ax+by=c有解的充要条件是[填空1].
【简答题】
不定方程ax+by+cz=d有解的充要条件是[填空].
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