我也觉得家有数学牛蛙的不用担心，不过也可以各种数学竞赛都参加着。不少数学竞赛还都给cash奖励

来源: 两女宝妈于 2025-03-05 07:41:33 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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