e**ee& # w&e*wBffi e @*w,(*&eeffi weB F wB L5?lrt 9lert E?)P t e'dr) Cirj *it*rtfu "elx$ Sl; e d+r !;y ) ir, ) ta Lril fi)tr)r) ffii FIE Todn hoc vd fudi trd Mathemafics and Youth Nam thO 39 s6 zee (5 2002) Toa soqn 1878, pho'Gidng V6, He Noi DT Fax 04 5144272 Em a i I to a n h octt@Yah o o com TRONG SO NAY O Dinh cho Trung hoc co sd For Lower Secondarv Schools ' Nguy|ru ViAt Hd i' Ddu hi6u chia hdt trong hO thAp phAn VKT Vd H6i nghi To6n hoc to) n qu6'c lAn thir 6 Chudn bi thi vio Dai Entrance[.]