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称重问题 |
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药瓶里至少要有89粒药片[:)]
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Good try. Can be less....
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回复:称重问题
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回复:称重问题
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Haha, it is the first time I have see you three
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Agree with constant! Is there a general formula?
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回复:回复:称重问题 - 25
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