1001 Problem for mental account at the school S.A. Rachinsky
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The unique task of the great Russian teacher S.A. Rachinsky "1000 and one task for the mental account" reprinted with comments and reference material, illustrated by Russian painting and old photographs. Our book is for curious students and for teachers who are looking for non -standard moves in teaching children to mathematics. An inquisitive mind is looking for new solutions, which means that after learning how to solve problems from the collection, the reader may also offer his own technique of solution - simpler and more elegant
Author:
Author:Tsygankov S.
Cover:
Cover:Hard
Category:
- Category:Children's Book
Publication language:
Publication Language:Russian
Paper:
Paper:Melvpey
Series:
Series: My first book
Age restrictions:
Age restrictions:6+
ISBN:
ISBN:978-5-3590-1123-5
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