----- 加德纳的训练:修心养性
The Opaque Cube Flip, the Psychic Robot Mathematics and Word Play Tiling the Bent Tromino Covering a Cube with Congruent Polygons Magic Tricks on a Computer Variations on the 12345679 Trick Cornering the King toroidal Currency Lewis Carroll's Pillow Problems Lewis Carroll's Word Ladders The Ant on the 1 X 1 X 2 Three-point Tiling Lucky Numbers and 2187 3 X 3 Magic Squares Primes in Arithmetic Progression Prime Magic Squares The Dominono Game The Growth of Recreational Mathematics
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