ISBN: 9787549110018 - 一年级口算题卡全套上册下册人教版每天100道加减法练习题小学生数学思维训练10/20/50100以内 (1 Ergebnisse)

paperback. Zustand: New. Paperback. Pub Date :2014-01-01 Pages: 122 Language: Chinese Publisher: Nanfang Daily Press primary math problems port operator card: 1 Year (Vol.2) (R version) is closely linked to the latest math textbook content. title type of difficulty with math textbooks each volume is consistent not only focus on the textbook major and difficult knowledge assessment. but also focus on improving students' oral calculation. mental arithmetic. arithmetic and other speed computing power. Accordance with th.…