Viet so tu nhien nho nhat chia het cho 9 ma chi viet boi cac chu so 3
tong cua so nguyen am lon nhat co 2 chu so voi so nguyen duong nho nhat co 1 chu so la
so nguyen am nho nhat co 3 chu so
tinh tong cua so nguyen duong co 2 chu so voi so nguyen am nho nhat co 3 chu so
tìm tổng của so nguen am nho nhat co mot chu so va so nguyen dung lon nhat co mot chu so
im so nguyen x, biet rang :
2x - 1 la so nguyen am nho nhat co 3 chu so khac nhau
Tong cua cac so nguyen duong lon nhat co hai chu so voi so nguyen am nho nhat co ba chu so la
tong cua so nguyen duong lon nhat co hai chu so voi so nguyen am nho nhat co ba chu so
tim so nguyen x sao cho -19-x la so nguyen am nho nhat co 3 chu so