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悠闲数学娱乐论坛(第3版)
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悠闲数学娱乐论坛(第3版)
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变态题看谁有简便方法
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变态题看谁有简便方法
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nijupeng
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nijupeng
Post time 2015-9-1 21:21
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单位球面上正十二面体，求各个顶点到Z轴距离的平方和的最大值与最小值
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wzxsjz
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wzxsjz
Post time 2015-9-28 12:00
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nijupeng
哪儿的题，感兴趣！
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nijupeng
Post time 2015-12-1 20:40
某物理题，出处难找。我也是用软件算出结果的
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悠闲数学娱乐论坛(第3版)
2025-3-6 17:29 GMT+8
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