Методика преподавания математики

Методика преподавания математики

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The science of speech. Otd. 4. A new way of correct, simultaneous teaching of reading, writing and understanding the meaning of words and their meanings in speech

Babenchikov, P. Nauka words. St. Petersburg: printing house of the Public Benefit Association, 1879.
Отд. 4: A new way of correct, simultaneous teaching of reading, writing and understanding the meaning of words and their meanings in speech. 1879.