Question

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Answer 1

If you have studied and practice it to the point where you can say "I know this", there's really no reason to be nervous. I wish I was able to go to a normal school and take those exams.

Answer 2

Remain calm and focus.

Read the instructions for each question carefully. The instructions tell you indirectly what the answer will look like.

Concentrate on each problem until you are done with it, then move to the next and concentrate on it.

Check your work. Ask yourself, "Is this answer reasonable? Does it answer the question asked?"