ISBN: 9787568802222 - 延大兴业传媒 计算小能手(rj版)口算心算速算应用题.5年级.上 延边大学出版社 (1 resultados)

paperback. Condición: New. 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. i.…