12个数字两两组合一共多少种情况

简介：However, Shang Shan, who was full of blood, had a newborn calf, and was worried about the safety of Lushun, was not afraid. He thought that the Ming army was just a paper tiger, strong on the outside but weak on the inside, and the Jingwu camp was not that strong. Therefore, he strongly advocated that they should attack immediately and not give the Ming army any chance. With more time to build fortifications and asking himself to be the first attacker, he will definitely defeat the Ming army and clear the way for the Ming Dynasty!