5个数字3个为一组有多少组数学

简介：——At the beginning of the Ming Dynasty, a total of six propaganda missions were set up in the southwest border, led by chieftains, and Mu Guogong was set up in Yunnan to form effective control over Yunnan. However, as time went by, the imperial court's financial resources were insufficient. , the border was far away, and the influence of the Ming Dynasty in the southwest gradually weakened.