Tim so co 3 chu so biet hieu cua chu so hang tram va hang don vi bang o,hieu cua chu so hang chuc va don vi bang 8

tim cac so co hai chu so , biet rang neu lay chu so hang chuc nhan co chu so hang don vi chia cho 3 thi bang hieu cua chu so hang chuc va 1

em hay tim so co ba chu so ma hieu cua chu so hang tram va chu so hang chuc la 0 con hieu cua chu so hang chuc va chu so hang don vi bang 9

tim mot so biet so do nho hon 800 va chu so hang tram nho hon chu so hang chuc , chu so hang chuc nho hon chu so hang don vi va tong cac so cua chu so cua so do bang 24

Tim so co ba chu soma hieu cua chu so hang tram va chu so hang chuc bang 0 con hieu cus chu so hang don vi bang 8

tim so co 3 chu so , biet rang tich chu so hang chuc voi chinh no thi bang tich cua 2 chu so kia va neu doi cho hai chu so hang tram va hang don vi cho nhau thi so do giam di 594 don vi

giup minh voi nheeee

Tim mot so co ba chu so biet trung binh cong cua ba so do bang 2va chu so hang tram bang tong cac chu so hang chuc va hang don vi

tim so co hai chu so biet trung binh cong cua chu so 7 va chu so hang chuc bang 3/4 chu so hang don vi

tim so co ba chu so biet rang neu doi chu so hang tram va don vi cua no cho nhau thi gia tri cua no khong thay doi con chu so hang chuc bang mot phan ba tong hai chu so kia