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没看题了吧

Posted by frkstyc at 2006-08-04 14:02:41 on Problem 2910
In Reply To:Re:第二个sample.. Posted by:RoBa at 2006-08-04 14:01:13

After these items has been added, the amount is rounded to two decimals towards zero.

> 开始时 本金300
> 
> 第一月 利息7% 本利和300*(1+7%)=321 还100 剩余221
> 第二月 利息5% 本利和(221+4)*(1+5%)=236.25 还100 剩余136.25 (4元罚金)
> 第三月 利息10% 本利和136.25*(1+10%)=149.875 还100 剩余49.875
> 第四月 利息10% 本利和49.875*(1+10%)=54.8625 还54.8625
> 
> 总计还 354.8625?
> 
> 为什么答案是354.85?

Followed by:

Orz.. 明白了 (93) RoBa 2006-08-04 14:08:07

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