6个数三中二有多少个组合

简介：Before Li Dingguo left Beijing, he met with Emperor Longwu. The two sides had another in-depth discussion. Emperor Longwu not only encouraged Li Dingguo to develop strong troops at Xifengkou to deter Mongolia and prepare for the recovery of Liaodong, but also in view of the current situation in Ningyuan, Jinzhou Lushun He asked Li Dingguo for his views on attack and defense strategies.