1, which is rich in content: Mathematics Help is a series of 36 books, covering the content of children's enlightenment to primary school mathematics, including number and operation, quantity and calculation, figure and geometry, exploring laws, statistics and probability, etc. Han sheng Mathematics is also a very popular series of books, telling a theme and gradually guiding children to explore the core concepts of mathematics.

2. Function: Math help not only contains the relevant knowledge of children's mathematics enlightenment, but also covers the content of primary school, which plays a comprehensive guiding role in children's mathematics learning. "han sheng Mathematics" can be used as an auxiliary tool for mathematics enlightenment, providing interesting story background for children and helping them to better understand and master mathematics knowledge.