105. In most cases, the math problems in the senior high school entrance examination are in the ratio of 7: 2: 1. In fact, people often say that the perfect score is 150, basic questions account for 105, medium questions account for 30, and difficult questions account for 15. Therefore, the basic score of the senior high school entrance examination in Jilin Province is 105. During the senior high school entrance examination, we should keep emotional stability, eliminate interference, concentrate, abide by the rules of the examination room and answer questions carefully.