Usually do more questions to ensure that all the questions in junior high school can be done. The question he asked is difficult, which shows that you are moving towards the goal of perfect score or competition. You'd better do more questions to keep your brain active before you go to him, so that you can solve the problem faster.

As an educator, Shou first looks for reasons from himself. What's the answer at the 1 level above?

Not perfect, at least there is nothing wrong with it, and he has nothing to say.

Besides, this student should be proud and narcissistic. When explaining to him, pay attention to more guidance, talk about ideas and let him solve it himself.

Have time to communicate with him and keep a good relationship, so that even if you think wrong occasionally, he won't say anything about you if you can't solve the problem.