TransliterationSidorov E.S. Metodicheskiy sposob izucheniya schisleniya, ili numeratsii, upotreblyaemyy, po okonchanii chetyrekh glavnykh arifmeticheskikh deystviy nad tselymi chislami, v vide povtoreniya
In EnglishSidorov E.S. Methodological method of studying numbering, or numbering, used, after the completion of the four principal arithmetic steps over integers, in the form of repetition In Russian
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