In general, if there are many examples, I don't want to do it myself.
Mathematics, on the other hand, is mastered and calculated as soon as possible.
Good materials will get twice the result with half the effort.
Last year, I used the green channel of the college entrance examination.
A very good book, such as the real question of the 2008 college entrance examination, is analyzed from the foundation.
I strongly recommend you to use this material, which is very helpful for your study.
The physics of this set of books is also very good