50 puzzles of junior high school mathematics classics with problem-solving ideas. Junior high school math can open the gap is these problems, easy questions as long as not careless, easy to get points, and often are

50 puzzles of junior high school mathematics classics with problem-solving ideas.

Junior high school mathematics can open the gap is these problems, easy questions as long as not careless, easy to get points, and often the last two multiple-choice questions, fill-in-the-blank questions, and the last big question two or three questions, these difficult problems pull the score apart.

Usually, students should do more difficult problems, do not be afraid of difficulties, stay in their comfort zone and it is difficult to get high scores.

This set of mathematical knowledge summary, there are common 70 secondary conclusions, there are ideas and methods for solving problems, there are difficult problems and geometric models and auxiliary line drawings, parents who like it can take a look.

Summary of junior high school mathematics knowledge points