Language:Chinese.Paperback. Pub Date: 2015-1-1 Pages: 140 Publisher: Hebei Children's Publishing This set of math problems port operator card is our organization has extensive experience in teaching teachers and researchers jointly prepared according to the latest materials. The title card textbook knowledge conduct a comprehensive. systematic optimization of the design and layout combinations. and followed the progress of teaching. can rapidly improve primary port operator. mental arithmetic. skills and techniques and basic computing power speed calculation. and can in time to help students understand and master the classroom content. exercise thinking ability. Pupils should be fully rational use of this math problem card port operator. in accordance with the requirements of a daily practice. And record the time and accuracy actually completed. compare. so that parents and ...
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Seller: liu xing, Nanjing, JS, China
paperback. Condition: New. Language:Chinese.Paperback. Pub Date: 2015-1-1 Pages: 140 Publisher: Hebei Children's Publishing This set of math problems port operator card is our organization has extensive experience in teaching teachers and researchers jointly prepared according to the latest materials. The title card textbook knowledge conduct a comprehensive. systematic optimization of the design and layout combinations. and followed the progress of teaching. can rapidly improve primary port operator. mental arithmetic. Seller Inventory # CR028149