Port operator mental arithmetic speed counting application problems (on 5 RJ Edition) Calculation small expert(Chinese Edition)

Paperback. Pub Date: 2016-06-01 Pages: 68 Language: Chinese Publisher: Yanbian University Press port operator mental arithmetic speed counting application problems (fifth grade RJ Edition) for textbook knowledge structure. focusing on basic computing. intuitive problem solving. title simple and easy to understand. problem-solving approach diversification. stimulate interest in learning. improve problem-solving speed. from basic to high level. step by step. in line with the laws of learning. in order to optimize the combination of ways to develop students' mathematical thinking. the law of coaching methods. develop problem-solving ideas. to help students quickly understand and learn the ability to apply skills to answer math problems. the development of analytical and solving practical problems.