Websites such as Olympic Mathematical Network and 5 1 Family Education Network can download the electronic version of primary school textbooks published by Jiangsu Education. Take the Olympic Mathematical Network as an example, the download method is as follows:

Open the Olympic Mathematical Network official website;

Screening "Mathematics" and "Soviet Education Edition" in primary school textbooks;

There will be a list of primary school mathematics textbooks published by Su Jiao.

Each lesson is in the form of pictures. Right-click and select "Save Picture as" to download and save.