Isbn: 9787563472147 - lcz2020春季小学数学计算能手四年级下册bs北师版小学生4年级下数学口算题卡教材同步训练教辅计算天天练口算估算笔算作业本通城学典 (1 resultados)

paperback. Condición: New. Pub Date: 2014-08-01 Pages: 140 Language: Chinese Publisher: Yanbian University Press through the city school Code Elementary math experts: In the fourth grade (BS version). according to the New Curriculum requirements and the North Division Edition Textbooks suitable for the simultaneous use of pupils. teaching practice are consistent with the progress of each grade. to avoid the phenomenon of pre-knowledge to effectively help students simultaneously improve computing power. Tongcheng School.…