dong co 3 pha hoc sinh cao thang CONG LY

CC 1 2 §C CD A B C CC 1 2 §C CD A B C CC 1 2 §C CD A B C RN D MT KT KT KN 1 3 RN A B C O CD KT §C KN CC KN KN KT MN 5 7 9 2 RN D MT KT KT KN 1 3 RN A B C O CD KT §C KN CC KN KN KT MN 5 7 9 2 RN D MT KT KT KN 1 3 RN A B C O CD KT §C KN CC KN KN KT MN 5 7 9 2  Cam on cac ban da theo doi !!!!!!