1,tim mot so co hai chu so,biet rang so do lon gap ba lan tich cac chu so cua no
2,cho so co ba chu so,neu ta xoa chu so hang tram thi so do giam 5 lan.tim so do
giup mink voi nha moi nguoi,toi nay minh can gap
tim so co 2 chu so biet rang so do gap 12 lan hieu giua cac chu so cua so do (giai bang 2 cach nhe!)
Tim so tu nhien co 2 chu so biet rang
a. So do gap 6 lan tong cac chu so cua no
b. So do gap 7 lan tong cac chu so cua no
c. So do gap 8 lan tong cac chu so cua no
d. So do gap 9 lan tong cac chu so cua no
tim so co 2 chu soac chu so cua no, biet rang so do gap 8 lan tong cac chu so cua no.
tim so co 2 chu so, biet rang so do gap 8 lan tong cac chu so cua no
tim so co 3 chu so biet rang so do gap 11 lan tong cac chu so cua no
tim so co hai chu so biet rang so do gap 8 lan tong cac chu so cua no
tim 1 so co 2 chu so biet rang so do gap 8 lan tong cac chu so cua no
tim mot so co hai chu so biet rang co do lon gap 8 lan tong cac chu so cua no .