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标题: 关于数学中的比较用语？ [打印本页]

作者: pite123 时间: 2005-9-10 08:47 标题: 关于数学中的比较用语？

1： 9 times as many paperback copies as hardback copies

9 times paperback copies = hardback copies

2: if 2/3 as many dozen were sold in April as in May , and twice as many were sold in June as in April

若April is x, then may=3/2x june=2x

自己遇到这种比较题目，就晕，请问这种东东如何分析？谢谢了。

作者: creativity 时间: 2005-9-10 20:07

我给这样的题做了一个总结:

n times as many A as B 就是

A=n*B

所以第一题应该是paperback copies=9*hardback copies

paperback发行后可以得到这样的等式:

p+h=441000-36000

9h+h=405000

h=40500进而p=9h=40500*9=364,500

作者: monicars 时间: 2005-9-11 07:15

强，顶！！！！！！

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