5粒复式二中二,开三粒中多少组?

简介：It turned out that despite the fierce attack by a thousand men who surrounded Yang Xuan, the Mongols still did not forget it after coming down the mountain. They sent a large number of exploration cavalry to quickly explore the surrounding areas, especially the Huairou and Changping areas, in order to know the movements and garrison of the Ming army. The number of soldiers in order to select the best attack target.