6个数中选3个有多少组

简介：The master of Chifeng Palace laughed and said: I don’t have to accept the best ones, but I will accept the ones that you don’t like! My business is just starting out and I need too much equipment to arm my subordinates. Come back, Sir Qian Lei, please help me sell it to these unlucky demon cultivators at the rescue station. Exchange some spiritual stones to subsidize household expenses