2. The sum of the scores in Chinese, Mathematics and English volumes A and B is 150.
3. Physics is: A ×50%+B, out of 70.
4. Chemistry is: the score of A paper is ×50%, out of 50 points.
5. Remarks: When the scores of physics and chemistry are included in the joint exam, the decimal number shall be reserved. After the total score is synthesized, the method of "rounding" is adopted, and decimals are not retained.