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Fifteen methods of memorizing mathematical knowledge
1, formula memory method

2, classified memory method

3, "four more" memory method

4, meditation memory method

5, the first memory method

Step 6 repeat memory

7, understand the memory method

8, system memory method

9, simplify the memory method

10, joint memory method

1 1, interesting memory

12, logical memory method

13, alternate memory method

14, distributed memory method

15, circular memory method

1. In middle school mathematics, some methods can help memory if they can be compiled into jingles or songs. For example, according to the solution of unary quadratic inequality AX+BX-C > 0 (a > 0, △ > 0) and AX+BX+C (a > 0, △ > 0), a formula for solving product or fractional inequality can be worked out: "Write two big letters on both sides and two small letters in the middle". That is, the product (or quotient) of two linear factors is greater than 0, and the solution is beyond two; The product (or quotient) of two linear factors is less than 0, and the solution is within two. Of course, when using the formula, the coefficient of x in each linear factor should be turned into a positive number first. When using the formula, the coefficient of x in each linear factor should be turned into a positive number first. Using this formula, we can easily write the product inequality (x-3)? (-2