数列1/12,2/12,3/12,4/12,…239/12这239个数中所有不是整数的分数和是多少?-c4`2a/B3d'Z6s3T
算式:提示(h+u4H:D/M6p-c4`2a/B3d'Z6s3T
答:所有不是整数的分数和是7g5I/W)J1P)x。-c4`2a/B3d'Z6s3T