"Preparation for the 2023 Changchun Senior High School Entrance Examination Mathematical Zhenti Simulation Question Classification Compilation (for Changchun)". The simulation questions of the senior high school entrance examination are the guesses and predictions of the questions, which are sometimes more difficult than the previous middle school entrance examination questions. Changchun's mathematics simulation test paper for senior high school entrance examination can choose "Preparation for Senior High School Entrance Examination in Changchun in 2023 (for Changchun)", which is a special simulation test paper for Changchun, with rich content, neat layout and strong practicability.