I want to apply for the 2020 Daejeon Teacher Recruitment Examination. How to write post notes?

2020 Sanming teacher recruitment Datian county teacher recruitment needs to pay attention to the following:

Enter oneself for an examination of primary school Chinese, mathematics needs to indicate the category. For example, Chinese teachers in urban primary schools (20 posts) or rural primary schools (2 1 post), math teachers in urban primary schools (22 posts) or math teachers in rural primary schools (23 posts).