C1: Timf cacs booij chung lowns hown 5000 nhuwng nhor hown 1000 cuar cacs soos : 126; 140; 180
Help me
xin looix cacs bn vif mays tinhs mik hongr neen khoong vieets ddc daaus
nhuwng: nguoi xong 1 : 5 tik
nguoi xong 2 : 4 tik
nguoi xong 3 : 3 tik
khong ai bi thiet dau nhe
BC ( 126;140;180) = {5040;6300;7560;8820}
thanks bn huong giang mik se cho bn 5 nhung bn co chac chan lak dung khong?