Website: www.kloc-0/2999.com.
For example, download the courseware of solving quadratic equation in one variable in the first volume of ninth grade mathematics of Beijing Normal University.
Step 1: Log on to www.12999.com.
Step 2: See it at the top of the page.
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Find the courseware of Beijing Normal University and click.
Step 3: On the far left of the page, you can see that the bottom is red and the word "classification" is written.
There are compulsory and elective contents below, as well as primary and junior high schools.
Step 4: Find Level 26 Volume I, and click to select a chapter.
Such as quadratic equation, click
Step 5: Select teaching content, such as matching method, and click "2". Matching method ".
Step 6: See many courseware on the right (middle part of the webpage), and choose one to download.
Click on a courseware, find the scarlet letter "Click on the local free download address" and click.
Step 7: Choose a download address (there are 6, any of which can be downloaded for free).
Finally, download it to the appropriate location on the computer and you can use it.
This is just an example. The eighth-grade students in Tianjin can follow your version, in the same way and in the same way.
Change the soup without changing the medicine!
I hope it helps you.
Thank you for your question. Welcome for help again. Thank you!