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What skills and methods are needed to solve mathematical application problems?
Solving mathematical application problems requires some skills and methods. Here are some common techniques and methods:

1. Read the topic carefully: First, read the topic carefully to understand the background and requirements of the problem. Pay attention to keywords and conditions to ensure an accurate understanding of the problem.

2. Analyze the problem: break the problem into smaller parts and find out the key points and difficulties of the problem. This helps to clear the mind and find a solution to the problem.

3. Establish a mathematical model: establish a suitable mathematical model according to the conditions and requirements of the problem. This can be an equation, inequality, chart, etc. Establishing a correct mathematical model is the key to solve the problem.

4. Use appropriate methods: according to the nature and requirements of the problem, choose appropriate mathematical methods to solve the problem. This can be algebraic method, geometric method, probability and statistics method, etc. Choosing an appropriate method can simplify the calculation process and improve the efficiency of solving problems.

5. Reasoning calculation: Reasoning calculation is carried out according to the established mathematical model and the selected method. Pay attention to logic and accuracy to avoid mistakes.

6. Check the answer: After getting the answer, check the answer. The correctness of the answer can be verified by the reverse derivation and substitution of the numerical value.

7. Do more exercises: By doing more similar application problems, you can improve the skills and methods of solving problems. At the same time, it can also deepen the understanding and application ability of mathematical knowledge.

In a word, solving mathematical application problems requires comprehensive application of mathematical knowledge and problem-solving skills, and pays attention to the cultivation of analytical reasoning ability. Through continuous practice and thinking, improve their ability to solve mathematical application problems.