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How to choose between learning and thinking cheats and top student?

Look at yourself. You prefer this.

The Secret of Learning and Thinking is a very popular math book published by a large learning and thinking institution.

The official introduction of this set of books is: learning and thinking, creating 12 original mathematical thinking system, created by domestic mathematical experts, to help children easily solve mathematical problems in primary school.

Top student Jun is a free problem-solving application software.

Learn the function of tyrants:

1, including 90% of all kinds of junior and senior high school textbooks in China.

2. You can take photos to answer questions, upload homework with one click, quickly analyze the problem-solving ideas, and complete homework answers in a short time.