Isbn: 9787548417620 - primary mathematics port operator card problems. a year. on 2015(chinese edition) (1 Ergebnisse)

paperback. Zustand: New. Language:Chinese.Paperback. Pub Date: 2015-06-01 Pages: 62 Publisher: Harbin Publishing House. . Primary Mathematics port operator card problem first grade 2015 provides a day last semester training material for the first grader. set 30 questions per day . the port operator. mental arithmetic. arithmetic and other brain concept into one. and the actual amount of questions allocated various kinds of questions. with a large amount of information. in the form of flexible features. designed to he. …