The fifth grade math book, Book 2, Unit 3 How to draw the tree of wisdom?
It feels like Grandpa Feng is fighting with Brother Shu, and Lei Gong is beating gongs and shouting, waving flags and cheering. The Dragon King of the East China Sea saw that Brother Shu was beaten by Grandpa Feng, but he was unable to fight back. He staggered with laughter, accidentally caught the basin in his hand, and the rain fell from the sky. They fight happily in the sky, but whether I can sleep. Dad knew I couldn't sleep well in this weather, so he asked me to switch with my mother. I slept in my father's room and my mother came to my room. Suddenly, there was a "crack" and another thunder. With this sound, the indicator light on the patch panel went out. Dad said, "The power is out." I think it's a good thing that I'm with my father, otherwise it would be another sleepless night.