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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
小五數學題急~
May 19th 2013, 03:39

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命中率(%)=投中次數/投球總次數x100% 也就是說: (投中次數=15 投球總次數=15+10=25) 命中率=15/(15+10)x100%=60%...

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