Seller: liu xing, Nanjing, JS, China
paperback. Condition: New. Paperback. Pub Date: 2019-12-01 Pages: 76 Language: Chinese Publisher: Modern Education Press every day practice starts with simple verbal calculations. increases the speed of verbal calculations. and enhances students' sensitivity to numbers.?Learning and Thinking Basic Skills. Oral Calculations: Elementary School Mathematics (BS under the sixth grade) will teach students the methods of quick calculations. which can complete the questions quickly. correctly and reasonably.?The daily accumula. Seller Inventory # NS069188