cho day so 2,4,6,8,...,x tim x biet so chu so cua day gap 2 lan x
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 31,33,35,...,x . tim x de so chu so cua day gap 3,5 lan so so hang cua day
cho day so 1,2,3,4,5,6,7,8,9............,x.tim x biet so chu so cua day so gap 3 lan x
cho day so 1 ; 2; 3 ; 4; 5 ..........; x tim so x de so luong chu so cua day gap 5 lan luong so hang cua day
nhanh len nhe
cho day so 1,2,3,4,5,...,x
tim x de chu so cua day gap 4,5 lan x
Cho day 31,33,35.....x Tim x de so chu so cua day gap 3,5 so hang cua day?
tim so tu nhien x de cho cac chu so trong day so 1234.....x gap doi cac so trong day so do
cho day 31,33,35,...,x.Tim x de so chu so cua day gap len 3,5 lan so so hang cua day