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/1471928987415013989.png B .https://assets.asklib.com/psource/1471929004881044762.png C .https://assets.asklib.com/psource/1471929017622010959.png D .https://assets.asklib.com/psource/1471929027610061899.png

时间:2022-10-16 04:06:19

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