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数学7上：若|x|=3，|y|=2，且x＞y，怎么求x+y的值？绝对值常考
数学7上：若|x|=3，|y|=2，且x＞y，怎么求x+y的值？绝对值常考
数学7年级上册：相反数，数轴，绝对值化简，培优拓展经典考试题169/257
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