[求助]费费5-5

Bigjack

任选7个数(不重复)， 且这7个数的range为6，说明这7个数也是consecutive.

D

如果这几天个数不是整数, 则可能它们分别除以7后所得的余数的和可能是7的倍数也可能不是. 请那位指教一下.

I guess you thought too much. Your hypothesis is not practical in this case.