1除以7等于0.142857,2除以7等于0.285714,3除以7等于428571有什么规律
人气：114 ℃ 时间：2020-04-06 01:50:14
解答
142857
分别从最小的1开始循环142857
次小的2开始285714
第三小的4开始428571
所以4/7=0.571428...
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