Mathematics and physics books in Hefei, Anhui Province are all people's education editions. People's Education Edition requires math 1, 2, 3, 4, 5, liberal arts1-2, science 2- 1-2, science 2-2, and science 2-3, and some of them will not be known until the exam syllabus comes out, like our science. Physics required course 1, 2, elective course 3- 1, 3-2, and the rest will not be known until the exam outline comes out. * * * There are 3-3, 3-4 and 3-5. Let's choose these books. Chemistry required 1, 2, elective 4, chemical reaction principle, elective 5. Biology is compulsory 1, 2, 3, and optional 1, 3, but it is rarely taken. Most of the elective contents will not change, and only a few will change every year.