theo cach cua toi cong diem thi cong nhu sau:vit3k,ene7k,agi6k.str5k tuy vao so diem point cua moi nguoi,sau do dung them (CS) than chu suc manh do la cach cua toi,neu moi nguoidong y voi cach cua toi thi cung nhau chia se kinh nghiem nha a e DK.
