1D 2C 3C 4A 5C 6C 7B 8A 9A 10B11B 12D 13A 14A 15C 16A 17B 18B 19C 20C2...
BÀI 8:1D 2C 3C 4A 5C 6C 7B 8A 9A 10B11B 12D 13A 14A 15C 16A 17B 18B 19C 20C21A 22C 23A 24C 25A 26C 27C 28A 29D 30A31B 32D 33D 34C 35B 36C 37D 38B 39C 40C41C 42A 43B 44D 45B 46C 47A 48C 49D 50A51B 52A 53A 54D 55C 56C 57C 58C 59D 60A61C 62C 63B 64B 65A 66B 67C 68D 69A 70D71B 72C 73D 74C 75D 76A 77C