6个数中选3个有多少组

简介：Yileshen has been a soldier all his life. When he was young, he followed Nurhaci to raise troops and fight against the Ming army. He participated in almost every battle in the Qing Dynasty from the Wanli year to the Chongzhen year. Yileshen was proficient in horsemanship and archery. The Ming army who died under his hands, not only a thousand, but also two hundred, gradually retreated from the front line as they got older in the past two years.