viet so lon nhat co 3 chu so ma tong bang 15
viet so lon nhat co bon chu so ma tong cac chu so bang 9 ,hieu chu so hang don vi va hang don vi va hang nghin la 5
so lon nhat co 3 chu so ma tong cac chu so do bang 24 la so ?
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
so lon nhat co 4 chu so ma tong 4 chu so bang 22
so lon nhat co hai chu so ma tong hai chu so do bang 7
so tu nhien lon nhat co 2 chu so ma tong cac chu so chu so bang 7
so lon nhat co 4 chu so khac nhau ma tong cac chu so bang 20
so lon nhat co 4 chu so khac nhau ma tong cac chu so cua so do bang 10