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Has the Qingdao edition of the second grade mathematics in primary school been revised?
Qingdao Edition of Mathematics for Grade Two in Primary School has been revised. Qingdao Edition of Grade Two Mathematics in Primary School belongs to Qingdao Publishing House. The May 4th System of Grade Two in Qingdao Edition mainly includes the knowledge points of addition and subtraction within 10,000, the understanding of grams, kilograms and tons, and the multiplication of two digits by one digit. The May 4th System of Grade Two in Qingdao Edition is compiled by Shandong Teaching Research Office, which is divided into ten categories and consists of130,000 words.