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How to simplify the quadratic form into the simplest form in the second volume of the eighth grade mathematics book, He Da Edition?
1. is reduced to the simplest quadratic root, and the number in the final root must be an integer. So decimals should be converted into fractional calculations.

2. Simplify to the simplest quadratic root, and the last root cannot have a score.

3. Simplify to the simplest quadratic root, and the denominator cannot have a root sign. So you need to remove the root sign of the denominator.

4. Simplify to the simplest quadratic root, and no factor in the final root number can be a complete square number. So it is necessary to find a complete square number.

5. The complete square number mentioned in the fourth step includes factorial formula.

6. If there are scores similar to 1 and 1/2 under the root sign, convert them into false scores, then add the root sign to the numerator denominator and remove the root sign of the denominator.