1, the big forest of mathematics, tells that cute and clever little animals can't compete with the hateful and cunning little wolf king and little fox.

2. The story is about the adventures of Homo sapiens. It is about two small experts in mathematics who successfully escaped from Homo sapiens and returned to their hometown.

3. The story is the mathematical monster pig and eight monkeys, a scientific animal whose appearance is that pigs behave like monkeys.

Li Yupei's Mathematical Story

According to the level of primary school students' mathematical knowledge and thinking ability, this book selects the contents suitable for reading in the lower, middle and upper grades of primary schools from Professor Li Yupei's most popular Creation of Mathematical Stories.

Combined with the typical problems and solutions in mathematics learning, this paper summarizes the knowledge points of mathematics, and compiles a full set of three volumes with full-color illustrations and pinyin for lower grades. ? Professor Li Yupei is a famous popular science writer in China.