Xie Tianzhou's classes are not divided into arts and sciences. Xie Tianzhou's class is not divided into arts and sciences, because mathematics is a compulsory subject regardless of science or liberal arts. Xie Tianzhou graduated from Harbin Institute of Technology. September 9, 2022 19 came to homework help as a teacher, and the subject in charge of teaching was high school mathematics. Therefore, Xie Tianzhou's class is not divided into arts and sciences. Homework help is committed to providing learning counseling services for primary and secondary school students all over the country, and is the leading brand of online education in primary and secondary schools.