Tuyển Cộng tác viên Hoc24 nhiệm kì 26 tại đây: https://forms.gle/dK3zGK3LHFrgvTkJ6
tim so co 2 chu so ,biet rang so do gap 4 lan tong cac chu so cua no
biet bai nao giai ho bai y
1tim mot so co 2 chu so biet rang so do gap 5 lan tong chu cac so cua no
tim so co 3 chu chu so biet rang them chu so 5 vao ben phai so do thi so do tang them 1112dv
tim mot so tu nhien co 2 chu so biet rang them chu so 9 vao ben trai so do thi duoc mot so gap 13 lan so da cho
Tim so co hai chu so , biet rang so do gap 14 lan chu so hang don vi cua no
tim 1 so co 2 chu so biet rang so do gap 6 lan tong cac so
tim 1 so co 2 cs, biet rang so do gap 5 lan tong cac cs cua no
tim so tu nhien co 2 chu so ,biet rang neu viet them chu so 0 xen giua chu so hang chuc va hang don vi cua so do ta duoc so moi gap 10 lan so can tim .Neu viet them chu so 1 vao ben trai so vua nhan duoc thi so do gap len 3 lan.
tim so cua 3 chu so ,biet rang neu so do cong voi tong cac chu so cua no thi bang 555
tim so co hai chu so biet rang neu viet them chu so 0 xen vao giua hai chu so cua so do ta duoc so moi gap 66 lan so can tim.
tim hai so biet tong cua hai so do gap 2 lan so lon nhat co ba chu so va hieu hai so bang so nho nhat co ba chu so