Isbn: 9787545526127 - 赢在起点：小学数学口算心算题卡.一年级下册 (1 resultados)

paperback. Condición: New. Paperback. Pub Date: 2017-05-01 Pages: $number Language: Chinese publisher: World Publishing House This book combines students ' knowledge of learning in the 1 grade of primary school. the number of initial stages. the size. the number of recognition. Unit conversion to the late number of multiple digits and subtraction are included in the calculation of the scope of mental arithmetic. mental. fast mainly. while setting some mental .…