The better mathematical thinking method in senior high school is much better and more practical than before. There are not only examples, but also ways to solve problems.

If you don't think it's good, you can use nine volumes, the art of war by famous teachers. Anyway, the college entrance examination questions can't be separated from the mother questions.

(The people who published these two sets of books are basically college entrance examination questions. Top secret! ! ! ! ! ! ! ! )