cho day 31,33,35,...,x.Tim x de so chu so cua day gap len 3,5 lan so so hang cua day
cho day 31,33,35,...,x . tim x de so chu so cua day gap 3,5 lan so so hang cua day
Cho day 31,33,35.....x Tim x de so chu so cua day gap 3,5 so hang cua day?
cho day so 10,11,12,13,14,...,,x. hoi x bang bao nhieu de chu so cua x gap 4 lan so so hang trong day
cho day so 10;11;12;13;14; ... ;x. tim x de so chu so gap 4 lan so hang trong day
cho day so le 1,3,5,7,9....,x tim x biet so cac so hang cua day gap 4 lan x
cho day so 1,2,3,4,5,...,x
tim x de chu so cua day gap 4,5 lan x
cho day so 2,4,6,8,...,x tim x biet so chu so cua day gap 2 lan x
cho day so 2,4,6,8,...,x tim x biet cac chu so cua day gap 2 lan x
