12个数字组合有多少种排列方式

简介：Although there were few people, the archery skills of Wu Xiang's left guard and the cavalry of the 3,000 battalion were obviously better than those of the bandits. Even with the protection of shields, the bandits' archers continued to fall, not to mention the bandits who were carrying soil. In a short period of time, more than a hundred people were hit by arrows and fell under the city wall. They were soon buried in the dry soil thrown by their companions and became part of the mountain of earth.