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题目:从1、3、5、7、9中每次取出三个数组成没有重复数字的三位数,将这些三位数两两相减(大减小),其差为198的两个三位数为
Title: From each of 1,3,5,7,9 taken out of three numbers into three digits without repeated digits, these three digits subtracted (greatly reduced), the difference of 198 for the two Three digits is