① Optimization of teaching objectives; ② Optimization of teaching content; ③ Optimize teaching methods; ④ Optimization of exercises.

(2) The method of implementing optimization:

① Guide students to turn knowledge into ability; ② Actively promote the teaching methods of mathematical inquiry, mutual communication and cooperative learning; ③ Desalinate formal teaching and pay attention to application and innovation; ④ Pay attention to students' personality development and improve their personality.