Các câu hỏi tương tự
tim mot so co hai chu so biet rang neu viet them chu so 0 xen vao giua chu so hang chuc va hang don vi cua so do ta duoc so moi va neu viet them chu so hai vao ben trai so moi thi ta duoc mot so gap 6 lan so moi do
tim so tu nhien co ba chu so,biet rang neu viet them mot chu so 0 vao giua chu so hang tram va hang chuc cua so do duoc mot so gap 6 lan so do.
tim so tu nhien co 2 chu so biet rang neu viet 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 . So can tim la
Tim so tu nhien co 3 chu so, biet rang neu viet them 1 chu so 0 vao giua chu so hang tram va hang chuc cua so do thi ta duoc so moi gap 6 lan so do.
Cac ban giai giup minh nhe!!!!!!!!!!!!!!!
tim 1 so co 2 chu so biet rang neu viet them chu so 0 vao giua hang chuc va hang don vi ta duoc 1 so moi gap 6 lan so phai tim
tim mot so tu nhien co 2 chu so, biet rang neu ta viet them chu so 0 vao giua chu so hang chuc va chu so hang don vi cua so do ta duoc so moi gap 7 lan so ban dau
tim so co 3 chu so biet rang neu ta viet xen chu so 2 vao iua hang tram va hang chucthi ta duoc so moi gap 9 lan so can tim
tim mot so co 3 chu so biet rang neu viet them chu so 2 xen chu so hang cham va chu so hang chuc duoc mot so moi gap 9 lan so can tim
tim 1 so co 2 chu so, biêt rang neu viet them mot chu so 0 vao giua hai chu so hang chuc va hang don vi cua so do ta duoc so moi gap 7 lan so da cho