Solutions to Rachinsky's 1001 Problems in Mental Arithmetic
by Valery Manokhin
Translated by Valery Manokhin, PhD
The essential companion to Rachinsky's 1001 Problems — every problem solved, every error corrected. Step-by-step arithmetic reasoning for all 1,001 problems in the 1899 collection, with 12 errata corrections to misprints in the original answer key (problems #188, #410, #454, #468, #519, #563, #705, #779, #796, #836, #889, #892 — independently verified). Includes a complete conversion table for pre-revolutionary Russian units (puds, funts, zolotniks, sazhens, arshins, vershoks, desyatinas, chetveriks). 257 pages, professionally typeset. Solutions organised by problem number to match the companion problem book exactly.
🇺🇸 Flexible level (mental arithmetic solutions companion)
🇬🇧 Flexible level
🇨🇦 Flexible level
Adults and self-learners welcome — great mathematics has no age limit.
Published by Northern Star Academic Press · First faithful English translation from the original Russian edition
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