Mike's Profile
高中生
309
points
309
points
Questions
1789
Answers
6
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这是用8个相等的正方形,拿走4根,把它变 …
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观察这个算式,增加一根火柴使算式成立。 …
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火柴游戏来啦。移动一根火柴改正错误的算式 …
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用八根火柴拼出由四个三角形和一大一小两个 …
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约翰、詹姆斯、南希、露酉和帕米拉陈述了以 …
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