Dear ca nha, cac b sap het han nop ho so roi dung ko. Thi toan thi don gian vo cung nen cac b ko fai mat nhieu thoi gian. Cac b chi can hoc may cach giai phuong trinh don gian, log, ham so mu, bat phuong triinh. Noi chung rat de. may tu tieng anh vi du nhu dao ham, dao ham bac nhat, ma tran, ma tran nghich dao.... de dau bai hoi con hieu ho hoi cai gi. Con lai tinh toan thi don gian lam. co 20 cau, lam trong 1h. 15p la xong roi ay.
vi du : 4+(-3)+2 = ?
TA : cac b da co bang IETLS hoac TOFLE thi mien thi, nam ngoai m mien nen ko biet the nao, nghe noi cung don gian, kieu bai dang Tofle paper.
Cac b cu qua 2 vong nay da" screeing", m se share tat ca nhung gi biet.