Then, in addition to online, you can query in the official account of WeChat, that is, you can find some related teaching materials in the official account of related learning WeChat, and then you can also learn such a process, and you can also go to the bookstore to buy all related teaching materials and read all the knowledge points of sixth grade mathematics.
Then do a preview of such a process, so that the next book of sixth grade mathematics can go to these aspects to study in advance.