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[几何] 2021年合肥市二模立体几何小题

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走走看看 posted 2021-4-3 17:32 |Read mode
2021年合肥市二模理科数学 立体几何小题.jpg

这道题的(3),表面积最小时的位置能够猜出来,但难以证明。

您认为呢?

答案是(1)(2)(4)。

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kuing posted 2021-4-3 17:45

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original poster 走走看看 posted 2021-4-5 15:49
回复 2# kuing

Kuing太强了!

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