-because there is a lot of professional knowledge in books, you can't learn it until high school or university;

-And this book pays more attention to logic, which is not conducive to stimulating children's interest in mathematics;

I have only seen one version of Ancient and Modern Mathematical Thoughts, written by American mathematician M. Klein. If the landlord is talking about other versions, I am not sure.

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If it is a primary school, you can look at "terrible math?" Classic math series, rich in content and interesting, with cartoons, is available online. See the website-/23196782.html.