北京钟书：YB计算小高手 四则运算和小数的加减法 - Tapa blanda

Little CalculatorFour arithmetic and addition and subtraction of decimals(Chinese Edition)

paperback. Condición: New. Paperback.Pub Date:2020-08-01 Pages:100 Language:Chinese Publisher:Yanbian University Press Little Master of CalculationFour arithmetic and addition and subtraction of decimals arranges the addition and subtraction of decimals. the four arithmetic operations. and the laws of operation Simple calculations and other topics are used to consolidate the exercises. The knowledge of the order of the four arithmetic operations and the laws of operations is also the basic knowledge of calculations tha. Nº de ref. del artículo: NS061497

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