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以二分之一和五分之一算过了，然后换小数点而验算，对了。口诀记下了，当武功秘籍背着呢。先进教师我选你

sweeet(SuRRenDeR <>&l)

(#152821@65)
Last Updated: 2004-3-30

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昨晚临睡前突然琢磨分数的加减乘除，居然居然。。。给忘了怎么算了，最后还是除成小数点算得。真是苦恼。。俺现在连小学也毕不了业拉。