ISBN: 9787510676048 - 学而思基本功口算巧算 (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2019-12-01 Pages: 84 Language: Chinese Publisher: Modern Education Press Learning and Thinking Basic Skills. Oral Arithmetic: Elementary School Mathematics (RJ under Grade 4) is the fourth grade oral arithmetic teaching supplement. with practice Mainly. it is divided into 3 modules: Oral calculation. Calculation exercises with class time and Cunning calculation.?Oral calculation module purely practice children's calculation and solid basic skills.?The two question types o.…