Problems in elementary mathematics
โ V. LIDSKY, L. OVSYANIKOV, A. TULAIKOV, M. SHABUNIN
๐ Library
๐
1973
๐ Mir
๐ English
โ Scribed by V. etal. Lidsky
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
Problems-with instructive solutions-on numbers, equations, polygons, polyhedra, and many other topics. Very challenging. Additional 13 problems without solutions.