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Determinant in mathematics
1. Have a good sleep before the exam.

Step 2 remember to eat

When taking the math exam, be sure to bring your graphic calculator.

4. Only answer the questions you are sure of. Because, if you don't add, you will get points, and if you answer the wrong question, you will get no points.

Pay attention to time, don't waste all your time on one topic.

6. Relax yourself from now on and take the exam with the most relaxed heart.

7. Trust your first feeling and don't hesitate to answer questions.

8. Don't be late.

Good luck. Do your best and everything will be fine.

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I hope you bring a graphics calculator, because there are some graphics and other problems in the SAT. Of course, students in China can work it out, but using a graphic calculator saves more time. Some may let you calculate the matrix, which you can calculate at one time with a graphic calculator. Why spend time calculating matrices and memorizing formulas for calculating determinants?

The graphic calculator is a calculator allowed by the SAT.