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Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 已解決
Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 已解決
((急)) 幾題小五數學請幫忙
Jun 17th 2013, 18:11

我們家小朋友的數學題目...

（１）宏安國小有７２個男學生和５４個女學生，其中有５１個男學生和３２個女學生近視。近視的學生人數占全部學生人數的比率是多少？（用分數表示）

（２）哥哥有１７５顆糖果分給妹妹７分之２顆，剩下２０%給弟弟 哥哥剩幾顆糖？

（３）有個長方體容器，長是３６公分，寬是２５公分，高是２４公分，容器中，最多能裝幾個邊長為５公分的正方體積木？

麻煩了...謝謝^^"

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