9码滚雪球一个月

简介：In the second math test, Su Can's speed in solving the questions was obviously not as smooth as in the Chinese test, but it was still pretty good. Thinking of the bet between himself and Cheng Keshu, to get into the top ten in the class, he couldn't hide his clumsiness. Mathematics is a subject where it is very easy to increase scores. This is often the distance between top students and ordinary students.