80.4 points. The full mark of mathematics in Suzhou senior high school entrance examination is 130, and the number of people taking the first model test in junior three is 23,000, of which the highest score of 9,000 in the mathematics test is 130, and the lowest score of 50 in the test is 0, so the average score of mathematics in the first model test in junior three in Suzhou in 2002/kloc-0 is 80.4.