问题君's Profile
高中生
471
points
471
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3843
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1
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如图所示,有3个用9根火柴棒组成的正三角 …
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用9根火柴摆出以下图形。 1.同时摆出3 …
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来自日本的火柴脑洞游戏。通过重新摆放将这 …
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下图是用12根火柴棒组成的正三角形。请移 …
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