1, Jiangxi senior high school entrance examination converted the test scores of all subjects into A, B, C, D, A 1, A2, A3, A4, B5, B6, B7, B8, C9, C 10//kloc-0. Then, according to the weight of the subjects, the grades are converted into grades. Schools and candidates only know the scores and total scores of each subject and the corresponding test scores. The maximum score is 80 and the minimum score is 6. The older you are, the better your grades will be. 2. The scores of Chinese, mathematics, English, physics, chemistry, politics and history in the senior high school entrance examination are ***6 10, 20 points for physical education and 10 for experimental operation, so the total score of the senior high school entrance examination is 640. However, after grading, it added the quality education score, with a total score of 80. Grades are divided into four categories: A, B, C and D, and each grade has a corresponding examination section. Finally, the candidates are admitted with the results of the general examination. The total score is divided into Class A segments: A 1= 13, A2= 12, A3= 1 1, A4 =10; Class B segments are divided into B5=9, B6=8, B7=7 and B8 = 6；; Class C is divided into C9=5, C 10=4, C 1 1=3, and c12 = 2; Class d segment is D 13= 1. For example, candidates with single subject scores, Chinese11and Chinese 98/belong to the same grade (A1(12); Candidates whose total score is between 596-54 1.5 have A 1 (that is, the total score 13) in the same grade, and their total score is 80.