1, Onion Academy software has a customized math learning video for junior high school students to make math learning more interesting. There are also a large number of math question banks to practice. By doing problems, you can master the knowledge points that you don't understand in class, from easy to difficult.

2. "homework help" can use this software to study mathematics and do exercises. It is very convenient to do problems online. Rich math question bank can satisfy users of different grades. After you finish the problem, you can also correct it on the platform. Some teachers will explain the problem-solving ideas to everyone.

3. The teaching and research team of "APE Tutoring" brings professional mathematics teaching courses, online interaction enhances students' interest in learning mathematics, and diversified problem-solving ideas broaden students' mathematical thinking and advocate higher quality education.

4. "A fan question search" is a super practical learning tool, which can be used to learn and do problems online. Memorized math knowledge points can be mastered and consolidated by constantly doing problems, and platform teachers provide one-on-one tutoring to point out the weak links of users.