Mental arithmetic. Manual for self-tuition. Addition and deduction
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The self-instruction book is a complete guide with abacus counting charts. Acquaintance with the abacus. Simple addition and subtraction. Methods "brother's help", "friend's help", simplified counting methods.
With the help of this book, you can teach your child mental arithmetic at home.
The text of the book was translated from the original language using an artificial intelligence program. For the most part, the translation of the text is of very high quality, but in some cases, due to the imperfection of the technology, there may be incorrect phrase translations in the text, as well as single words and expressions may not be translated.
BK/40488465/UA
Data sheet
- Name of the Author
- Фуст Ольга Николаевна
- Language
- Ukrainian
- Age
- 6
1 book by the same author:
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A Book-manual for self-tuition is complete guidance with the charts of account on абакусе. Acquaintance with абакусом. Simple addition and deduction. Methods are a "help of brother", "help of friend...