运算单双公式规律

简介：In the dark night, the torches were shining, and a large group of Ming army reinforcements arrived at the foot of the mountain before them, and formed a military formation with large shields and spears on the spot, blocking the Mongolian pass down the mountain. At the same time, three groups of Ming troops climbed up and occupied three commanding heights on both sides of the mountain road. They placed stones and formed a strict defensive posture.