1. This software is suitable for primary school students in grades 1-3.
2. The current version has a total of 7 levels of exercises, including mixed operations of addition, subtraction and multiplication. Compared with paper-based exercises, children are more interested and the practice is more efficient.
3. This software is written in easy language, statically compiled, and can be run after decompression. No installation is required, and it supports Windows operating systems.
it works
it works
it works