Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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Einstein's Riddle by 4ere6ka
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This is Cool | 2 | 2005-09-28 04:24:23 by John E. Franklin |
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