10个人两两一组有多少个组合

简介：All the generals were a little nervous, especially Ma Deren, the commander of the Zuoshao camp. He and Zhangwu Bo Yang Chongyou were close friends. When Yang Xuan had a problem, he not only had the responsibility of his superiors and subordinates, but also the moral responsibility of his friends. He wanted to intercede for Yang Xuan. But the Crown Prince's stern eyes made him dare not say anything.