智力测验：一棵树上10只鸟，打掉一只还剩几只？一个鱼缸里10条鱼，死了一条还剩几条鱼？

来源: 老生常谈12 于 2022-12-10 13:11:35 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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