so nguyen to nho nhat co dang 3a1 la
so nguyen to lon nhat co dang 19a la ? ai cha loi minh mik cho
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
chung minh rang voi moi so tu nhien n # 0 thi:
a moi so nguyen to lon hon 2 deu co dang 4n _+1
b moi so nguyen t lon hon 3 deu co dang 6n +_1
so nhuyen to lon nhat co dang a7
so nguyen to lon nhat co 3 chu so la ?
so nguyen to lon nhat co 3 chu so la
so nguyen to nho nhat co dang 10a la
tong cua so nguyen am lon nhat co ba chu so voi so nguyen am lon nhat co hai chu so giong nhau la