Isbn: 9787542724571 - 阶梯奥数.1（上、下册） (1 resultados)

paperback. Condición: New. Language:Chinese.Paperback. Ladder Mathematical Olympiad (set down a total of 2) is for upper primary mathematics learning school self-study reading materials of the outstanding students have spare capacity to provide race training materials or math lovers. Ladder Mathematical Olympiad (Set down a total of 2) long-term teachers in the teaching of mathematics competition in the first line of many years of practice knowledge accumulation and summarization. The students learn the basics of the e.…