9个数字三中三有多少组

简介：Wu Di's strategy was based on a three-sided attack. However, in fact, the Henan troops were in name only and lost more than half of them. The Jin army was weak and it was difficult to defend Datong and the Yellow River. It was unable to attack at all. Sun Chuanting had many difficulties in training troops and it was difficult to achieve results in a short time. Therefore, This strategy is only on paper and lacks the possibility of implementation.