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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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國小五年級數學
Apr 1st 2014, 11:16

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算式:50*50/100*300/1000=25*3/10=15/2=7.5 答案:7.5公噸 算法:先將土地的面積算出來,但因為單位是平方公尺,所以要換算成公畝(1公畝=100平方公尺),然後算成公畝後再乘以300,算出有幾公斤的玉米,但題目要公噸,所以再換算(1公噸=1000<sep/>...
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