These two books are essentially Chinese and mathematics for adults. You might say, I finally graduated, and I don't have to be tortured by exams anymore. Why should I read these two books? It is because there is no exam that I have the opportunity to reevaluate Chinese and mathematics under the guidance of Wu Jun.
3. What is the language? Is to understand and express. This is an ability that needs to be used for life. What is mathematics? This is not just an ability. Mathematics is a very magical field discovered by human beings. It is self-contained, with precise logical relations and standards of right and wrong.
If you occasionally want to escape from the uncertain real world, then mathematics is an ideal and certain spiritual holiday destination.