So nguyen to nho nhat co dang 1a3 la
so nguyen to nho nhat co dang 10a la
so nguyen to nho nhat co dang 3a1 la
cho so nguyen to nho nhat co dang 13a la
tim so nguyen x
biet rang x+5 la so nguyen am nho nhat co 2 chu so
bai 2 tim so nguyen x biet rang x-7 la so nguyen am lon nhat co 2 chu so
nhanh len minh dang gap minh like nhanh len
so nguyen to nho nhat co 3 chu so la ?
so nguyen to lon nhat co dang 19a la ? ai cha loi minh mik cho
tong cua so nguyen am lon nhat co 2 chu so voi so nguyen duong nho nhat co 1 chu so la
cho biet a la so nguyen duong lon nhat co bon chu so va b la so nguyen am nho nhat co ba chu so . Tinh tong a +b