小学生口算估算速算天天练四年级上册配合新课标教材 4年级上口算天天练数学课本同步训练题心算口算速算测试作业本强化训练书 - Softcover

Pupils port operator estimates quick calculation exercises every day: grade 4 (Vol.1) (upgrade version) (with the new curriculum textbooks)(Chinese Edition)

paperback. Zustand: New. Paperback. Pub the Date: July. 2009 Pages: 80 Language: Chinese in Publisher: Zhejiang Children's Publishing port operator. estimates. speed count in everyday life and mathematics learning. has a wide range of applications. therefore culture. the development of student's port operator. estimates. speed computing power. has a very important significance. Book based on the spirit of the new curriculum. the emphasis on port count. strengthen estimates advocating algorithm diversity requirements. Artikel-Nr. CB023558

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