3等于三分之几等于五分之几等于七分之几等于八分之几3= = = = __ __ __ __3 5 7 8_数学解答

3等于三分之几等于五分之几等于七分之几等于八分之几
3= = = =
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3 5 7 8

人气：484 ℃　时间：2020-05-09 19:26:43

解答

9,15,21,24