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設兩個圓柱的高為h,大圓的底面半徑為r,那麼小圓的底面半徑則為r2,大圓的體積為:hπr2,小圓的體積為:r24hπ,小圓的體積是大圓的:r24hπ÷hπr2=14;答:小圓的體積是大圓體積的14.故答案為:錯.
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