概率c公式

简介：The prince of the Zhu family had a very deep city. He stayed stationary in Guide for nearly two months. He remained unmoved despite the wind and rain in Kaifeng. To move out suddenly, there must be certainty of victory and a long-term follow-up move. It has also occupied the favorable terrain of the Jialu River, cutting off our army's access to water sources. The army cannot fight without water, which is not as good as the geographical advantage;