( 0.25  10 = 2,5 PTS )1 2 3 4 5 6 7 8 9 10C A D B D C A C C A

exercise 1: - KIEM TRA KHAO SAT DAU NAM
KIEM TRA KHAO SAT DAU NAM

Exercise 1: ( 0.25  10 = 2,5 pts )

1 2 3 4 5 6 7 8 9 10

C A D B D C A C C A