hay cho biet co tat ca bao nhieu so co 3 chu so ma cac chu so cua nhung so do deu lon hon 4
cho cac 1; 2; 3 viet duoc tat ca bao nhieu so co ba chu so khac nhau
co giao mua 4 hop banh nhu nhau duoc 100 cai banh co lay 3 hop chia deu cho tat ca cac ban trong lop 3a moi ban duoc 3 chiec banh hoi lop 3a co tat ca bao nhieu ban
Bài 1:
Tu cac chu so 3,4 va 6 Lan da viet tat ca cac so co 3 chu so khac nhau .Hoi Lan da viet duoc bao nhieu chu so ?
Bài 2:
Đe danh so trang cua mot cuon sach day 48 trang can bao nhieu chu so ?
Bài 3:
Biet thua so thu nhat la 1 so co 4 chu so . tim chu so hang nghin cua thua so thu nhat
Bài 4:
viet so chan be nhat co 4 chu so khac nhau ma tong cac chu so la 15
Bài 5:
viet so le lon nhat co 4 chu so va co tong cac chu so bang 15
CO TAT CA BAO NHIEU SO CO NAM CHU SO MA TONG 5 CHU SO DO BANG 2 VIET CAC SO DO
cho 3 chu so 2 4 8 hay viet tat ca cac so co 3 chu so khac nhau tu 3 chu so da cho
viet tat ca cac so co 4 chu so ma tong cac chu so la 3
toan tren mang:cho a,b,c la 3 chu so khac nhau va khac0,co tong bang 4.Hay tim tong cua tat ca cac so 3 chu so khac nhau lap tu 3 chu so do.
voi 4 chu so 6,3,5,0.Hay viet tat ca cac so chan co bon chu so khac nhau