co bao nhieu so le nho hon 2014
co tat ca bao nhieu so tu nhien co 2 chu so ma chu so hang chuc nho hon hang don vi
co bao nhieu so co hai lop thoa man :lop don vi gom chu so 1, lop nghin gom 3 chu so chan khac nhau, khac 0 va nho hon 8 ?
tim cac so co sau chu so - biet cac chu so thuoc lop don vi deu la 1 , cac chu so thuoc lop nghin la cac chu so chan khac nhau , khac 0 va nho hon 8.co bao nhieu so ?
co bao nhieu so co ba chu so ma chung deu la so le
co tat ca bao nhieu so tu nhien co 3 chu so ma ca ba chu so do deu le
co bao nhieu phan so lon hon 1 co mau so bang 29 va tu so nho hon 100?
Co bao nhieu phan so vua lon hon 1 vua nho hon 2 va co mau so la 3 ?
co bao nhieu phan so vua lon hon 1 vua nho hon 2 va co mau so la 3