将边长为1的正方体一刀切割为2个多面体,其表面积之和最大为:

A .https://assets.asklib.com/psource/1472201187279013199.png B .https://assets.asklib.com/psource/1472201192685024099.png C .https://assets.asklib.com/psource/1472201197721045023.png D .https://assets.asklib.com/psource/1472201203704059764.png

时间:2022-08-31 12:28:22

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