B
because_iam_killer


Cac ban biet ko , neu ban nao ma muon hoc tot dc mon toan dai thi phai chu nghe giang tren lop , cham chu nghe thay giao giang bai . Do la o tren lop , con ve nha thi cac ban phai lam het cac bai tap dc giao ( ke ca khong giao cung phai lam . Nhung neu kho qua ma ko lam dc thi mai phai den lop hoi thay giao va cac ban trong lop ) . Con doi voi mon hinh hoc thi cac ban phai chu y nghe giang trong lop vao , hoc thuoc cac tinh chat cua bai . Cham lam cac bai tap hinh . Tuy mon hinh kho hon mon dai so nhung chi can ban chu tam vao hoc hanh thi gioi ngay . ( Bat mi nhe , ban nao ma chu y hoc mon hinh hoc thi ve sau len lop cao cac ban hoi bi thong minh day ) Chuc cac ban hoc tap tot day nhe . Xin chao va hen gap lai cac ban sau . Ban nao ma muon lien he voi minh thi cu nhan vao nick sau : because_iam_killer 


o=>