mai sang lop 6c lay ho mu trang thu 6 mang ho
mai sang lop 6c lay ho mu trang thu 6 mang ho
tim tat ca cac cap so nguyen to (p;q)thoa man 3p^2+20q=2015
Tim tong cua tat ca cac so nguyen x thoa man -5 <x> 4
tim tat ca cac so nguyen to a,b,c co the bang nhau thoa man abc<ab+bc+ca chung minh rang neu b la so nguyen to >3 thi (b+1)(b-1) chia het cho 24
tim tat ca cac so nguyen duong co dang abcde thoa man abc-de chia het cho 101
Tim tat ca cac so nguyen to p va q sao cho so 7p+q va pq+11 cung la cac so nguyen to
tong cua tat ca cac so nguyen x thoa man \(-20\le x\le19\)
tim tong tat ca cac so nguyen x thoa man
|x| <4
|x| khong vuot qua 5
tim tat ca cac so nguyen to p va q sao cho : 7p+q va pq+11 cung la so nguyen to
Tim tat ca cac so nguyen to p va q sao cho so 7p+q va pq+11 cung la cac so nguyen to
Tim tat ca cac so nguyen to p va q sao cho so 7p+q va pq+11 cung la cac so nguyen to