Full vertical mental arithmetic cards (addition within 20 without carry and subtraction without borrow. full color version)/special training for young children(Chinese Edition) - Couverture souple

ZHANG FENG JUAN

 
9787559399120: Full vertical mental arithmetic cards (addition within 20 without carry and subtraction without borrow. full color version)/special training for young children(Chinese Edition)

Synopsis

Language:Chinese.paperback.Pub Date:2023-11.publisher:Heilongjiang Fine Arts Publishing House.description:Paperback. Pub Date: 2023-11 Publisher: Heilongjiang Fine Arts Publishing House: Calculation is the most widely used mathematical knowledge in people's daily lives. and vertical calculation is an important part of calculation. Vertical calculation ma

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