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- 117 views
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- 113 views
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你能把10个硬币放在3个杯子里，使得每个 …
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- 136 views
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- 312 views
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如图所示，七根火柴棒形成两个正方形。请移 …
- 216 views
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如图所示，有五个正方形（一个3× …
- 137 views
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这里有用火柴棒组成的三个正方形和两个三角 …
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- 170 views
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- 605 views
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- 218 views
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- 196 views
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- 271 views
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- 432 views
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由16根火柴组成了8个相同的三角形。你能 …
- 440 views
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