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GEOMETRIC MAGIC SQUARES by Boris Kordemskii
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3pqr algebra alphametics arithmetic axioms ball California Chapter cigarettes column contains corner correspondence cubes cups Dale Kozniuk December Delburne diagonal divisors Domino Pattern Number Editor ellipse equal equation equilateral triangle example expressed factor February 1963 RMM Fibonacci finite geometries flexagon formula four Frigo geometric magic square George Cantor given H. S. M. Coxeter integers integral solution interesting issue of RMM J. A. H. Hunter Jonathan Khuner Junior Department Liestal Lovelace Madachy magic constant magic hexagon magic square Math mathematician multigrade Multiperfect Numbers multiplied Naubinway nine digits number patterns Ohio Ontario ordinary magic square Pennywell Perfect Numbers Philpott polygon positive integers possible prime numbers Prof projective geometry proof PUZZLES AND PROBLEMS quadrille quadriperfect RECREATIONAL MATHEMATICS RECREATIONAL MATHEMATICS MAGAZINE recurring decimal RMM readers rows San Jose satisfy set of points side Skewling smallest Tangled Tale Theorem triangular Trikes Triperfect values XXXX