Seller: liu xing, Nanjing, JS, China
paperback. Condition: New. Paperback.Pub Date:2022-06-01 Pages:100 Language:Chinese Publisher:Electronic Industry Press This book includes homework. unit diagnosis and knowledge sorting. In the homework. the questions are divided into 4 to 5 levels according to the difficulty. and the maximum difficulty is 1 expansion question. Use fewer but more precise questions to help children learn and practice. In the homework. the learning requirements. calculation cards. timing system and summary system are added to the homewor. Seller Inventory # NX035123
Seller: liu xing, Nanjing, JS, China
paperback. Condition: New. Paperback.Pub Date:2022-06-01 Pages:100 Language:Chinese Publisher:Electronic Industry Press This book includes homework. unit diagnosis and knowledge sorting. In the homework. the questions are divided into 4 to 5 levels according to the difficulty. and the maximum difficulty is 1 expansion question. Use fewer but more precise questions to help children learn and practice. In the homework. the learning requirements. calculation cards. timing system and summary system are added to the homewor. Seller Inventory # AMZ016570_NX035123_016570