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数学七上，若a、b是质数，a²-13a+m=0，b²-13b+m=0，求b/a+a/b
数学七上，若a、b是质数，a²-13a+m=0，b²-13b+m=0，求b/a+a/b值
人教版七年级数学，最常考考易错重要知识点、竞赛、综合压轴题106/284
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