Solutions and hints for after-class exercises High school first grade first semester

Author: Pi Hengming
Publisher:
Publish Date: 2005-06-22
Features: This series of books has been launched for five grades, covering junior high school (Grade 7 to 9) and senior high school (Grade 10 to 11). The content includes key and difficult point guidance and after-school exercise answer hints for nine subjects such as Chinese, mathematics, English, physics, chemistry, politics, history, geography, and biology.