Rural teacher S.A. Rachinsky and his tasks for mental arithmetic
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The book reproduces the task of S.A. Rachinsky "1001 task for mental account. The biography of this wonderful Russian teacher and the educator is published, as well as some of its original oral account techniques.
For a wide range of readers
For a wide range of readers
Author:
Author:Bavrin I.I.
Cover:
Cover:Soft
Category:
- Category:Business & Money
- Category:Education & Teaching
Paper:
Paper:Gray
ISBN:
ISBN:978-5-9221-1614-5
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