These three versions of the new thinking course are different for students' mathematical ability level and training objectives. R version focuses on cultivating children's deep understanding of mathematical concepts, high-order logical reasoning and problem-solving ability, and on improving children's outstanding strength in competitions. Version b pays more attention to building a solid basic knowledge system and strengthening application skills, and has done a lot of work in helping to master all kinds of questions and temper the experience of examination operation; The S version focuses on telling real cases, showing the scene and significance of using mathematics in daily life, and guiding children to actively use the timing behind the essence of popular science through interactive education.