1, Spring Rain Education Sprint Gold Medal, Grade 7, Inference, Junior High School Olympiad, 1000, all solved; This topic is quite difficult.

2. Detailed explanation of the test paper of synchronous olympiad at the front of the competition (grade 9 of junior high school), and the topic is new.

Editor Nan Xiuquan

Publishing House Hubei Changjiang Publishing Group Hubei Education Publishing House

3. Intensive lecture and test of Olympic Mathematics (Grade 7); More comprehensive

4. The junior middle school volume (second edition) of Mathematical Olympiad Series (1-8) is a complete set of eight Olympic books, which is a complete and systematic set.