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答案不唯一啊，老大你是不是编个验证程序啊

Posted by SLICK at 2003-05-31 14:27:29 on Problem 1100 
比如 5 = 5 5 5
可以是5 =5-5+5 也可以是5+5-5啊

数据也没保证所有的题目都只一种解法
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