設底邊正方形邊長為a,箱子高h
a^2*h=0.5,
表面積=4*ah+a^2=2/a+a^2>=3
最小表面積為3
請問一道英語數(shù)學題的答案?
請問一道英語數(shù)學題的答案?
A rectangular box without a lid has volume 0.5 cubic metres.Find the minimum surface area.
請問答案是什么?
A rectangular box without a lid has volume 0.5 cubic metres.Find the minimum surface area.
請問答案是什么?
數(shù)學人氣：672 ℃時間：2020-04-02 08:18:29
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