First, the special issue of mathematics.

1. Mathematics Department of Fujian Middle School: Mathematics Department of Fujian Normal University, zip code 350007, email address: fjzxsx @163.com.

2. Mathematics Teaching: East China Normal University (No.3663, Zhongshan North Road, Shanghai) 200062,

E-mail :Sxjxzz@math.ecnu.edu.cn

3. Middle School Mathematics: Hubei University, Zip Code: 430062. E-mail :zs@hubu.edu.cn.

4. Middle school mathematics teaching reference: Shaanxi Normal University, zip code: 7 10062, email: mat @ cfe2 1.com.

5. Middle school mathematics teaching: Slender West Lake Campus of Yangzhou University, Jiangsu Province. Postal code 225002.

6, "Middle School Mathematics Education" (junior high school edition) (China Education Association Middle School Mathematics Teaching Professional Committee

Journal)No. 15, Ningshan Middle Road, Huanggu District, Shenyang City, Liaoning Province, postal code 1 1003 1, and email address to zxsxjy@263.net.

7. Mathematics Teaching Newsletter, Chongqing, Southwest Normal University. Postal code 4007 15.

8. "Mathematics Teaching in Middle School" is in Anhui Institute of Education, zip code 23006 1, email address :zsjxhf@ahieedu.net.cn.

9. Mathematics for Primary and Secondary Schools (Junior Middle School Edition), No.0/05, Northwest Third Ring Road, Beijing (Mathematics Building of Capital Normal University), zip code 10037.

10, Bulletin of Mathematics of Beijing Normal University, shxtb@bnu.edu.cn.

1 1, "Middle School Science" Guangxi Institute of Education (No.37, Jian Zheng Road, Nanning, Guangxi) Zip code: 530023.

12, Middle School Mathematics Research, Guangdong, South China Normal University.

13, Reading Times (Mathematics Teaching and Research Edition), Mathematics World (Student Edition): No.45, Xinshi Community, qiaoxi district, Shijiazhuang, Hebei. Postal code: 05009 1, dsxt@sohu.com.

14, Mathematics Weekly of Middle School Students' Learning Newspaper (Student Edition), the email address of the editorial department: zhsxc @ 37 1.net.