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[几何] 体积是5还是6?

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蛋疼的青春 Posted 2015-5-30 15:37 |Read mode
Last edited by hbghlyj 2025-5-18 12:03

体积是多少?

体积是多少?

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kuing Posted 2015-5-30 16:05
6

这题关键是要把剩下那条没画出来的棱把它画正确,那条棱是 MC ,而不是 PB,这是因为 PB 实际上是在这个多面体内部的。
如果误认为 PB,就会得出 5 的结果。

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 Author| 蛋疼的青春 Posted 2015-5-31 17:54
明白了,谢谢

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