so cac uoc la so nguyen to cua so 2520 la bao nhieu
so uoc nguyen to cua 2520 la bao nhiêu?
so uoc nguyen to cua 2520 la
So uoc nguyen to cua 2520 la
so cac uoc nguyen to cua 2520 la
SO UOC NGUYEN TO CUA 2520
Uoc nguyen duong cua moi so tu nhien la bao nhieu?
phan tich cac so sau ra thua so nguyen to , tu do cho bet cac uoc la so nguyen to , cac uoc so la hop so , so do co bao nhieu uoc ?
cac ban giai nhanh len tui can gap ?
voi n so tu nhien thoa man 6n+1 va 7n-1 la hai so tu nhien khong nguyen to cung nhau thi uoc chung lon nhat cua 6n+1 va 7n-1 la bao nhieu