9787500782339 - 算得对 小学中高年级 李调琴 9787500782339 中国少年儿童出版社 (1 Ergebnisse)
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paperback. Zustand: New. Language:Chinese.Paperback Pages Number: 287 computing is an important content of elementary school mathematics. Be regarded as pairs of the basic requirements to learn mathematics. The mathematical calculation of the primary and secondary school students. the wrong situation is not uncommon. but with th…e higher grades. the calculation of the correct rate but a downward trend. This is a must be taken seriously and urgent to solve the problem. can not but arouse our concern. Mathematical calcu.
