How about the book "High School Math Coup"? Has anyone seen it? Where is it?

Suitable for students with sensitive thinking, many solutions are not used in the exam, but once used, they will be fast and accurate. Not suitable for students who can't do the usual exercises, but for students who want to go further in mathematics. It can help you broaden your horizons, but if you can't even finish the homework assigned by the teacher easily, forget it.

Jieyang math teacher Liu

Line up the following numbers in order.

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Golden Sun Education Research Institute Mathematics Research Institute-100 How do famous schools order simulated gold rolls for the college entrance examination?