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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 
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急>>六上數學比與比值的問題
Oct 24th 2013, 14:07

阿?這其實是很基本的問題喔...
因為7.5其實就是2.5的三倍 既然2.5乘三是7.5
所以意思就是 ( )乘以三倍就等於16
( )就是16除三等於十六分之三
(附註:現在的答案千奇百怪,有分數的答案是很常見的)

參考資料： 我是曉明女中國二的

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