Math Or your major"Li Tingting is a top student in math. She previously won third place in the national digital competition. "Let's have a math contest""Okay."The homeroom teacher took out a national...unison."Brother," Xu Yixue blinked her eyes innocently and asked, "Brother, am I here"Xu Hengwen strode toward her with a powerful presence. "What's going on""They were looking for someone, I saw cock...