What versions are there in the standard volume of Chinese new curriculum?

Normal version, enhanced version, improved version.

1, the normal version is the standard version, which is commonly used in Chinese textbooks of the new curriculum standard. The difficulty is moderate and close to the textbook requirements.

2. The enhanced version is to strengthen some thinking ability training and reasoning proof questions on the basis of the standard version, which is more difficult and pays more attention to students' thinking ability and innovation ability.

3. The improved version is the most difficult, mainly for senior and advanced students. Its type and difficulty are closer to the requirements of senior high school entrance examination, college entrance examination and other important examinations, and it pays attention to students' application ability and comprehensive quality.