快口算 3年级 下册 团结出版社 - Tapa blanda

The third grade oral arithmetic problem card book two primary school mathematics oral arithmetic problems primary school students in the third grade mathematics thinking training mental arithmetic speed calculation oral arithmetic practice every day(Chinese Edition)

paperback. Condición: New. Language:Chinese.Paperback.Pub Date:2020-11-01 Publisher: Unity Press This book is compiled based on the mathematics textbook of the third grade of primary school compiled by the Ministry of Education. closely related to the knowledge points of the textbook. the outline of teaching. and the main points of investigation.?Specifically. it is divided into oral arithmetic division. division of one-digit divisors. two-digit multiplication by two-digits. year. month. day and 24-hour time conversion. Nº de ref. del artículo: NS067145

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