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Found that the mathematical genius: What is a subtraction(Chinese Edition)

paperback. Condición: New. Paperback. Pub Date: 2011 Pages: 24 in Publisher: People's Literature Publishing House to find mathematical genius: subtraction through in-kind game. learning a two-digit subtraction establish subtraction concept. With games. to recognize different the subtraction formula can get the same results. Subtraction of practice one or more steps. According to the result of the operation. to find out the corresponding subtraction formula. Nº de ref. del artículo: CC071575

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