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[几何] 怎么积

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溦澜居士 posted 2025-6-10 16:24 From mobile phone |Read mode
如下
mmexport1749543817909.png

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hejoseph posted 2025-6-10 17:38
Last edited by hejoseph 2025-6-10 19:52你的图形是不是下面这样的?如果是就很简单了,利用forum.php?mod=redirect&goto=findpost& … 66726&ptid=13795中图 6.3.4 的割补方法可求得割去的两块几何体体积为
\[
\frac{4}{3}a^2h
\]
因此所求几何体体积为
\[
\left(\pi-\frac{4}{3}\right)a^2h
\]

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$\LaTeX$ formula tutorial

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