Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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Help Me ! | 26 | 2012-01-17 02:10:30 by bobbym |
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Proof of n^2+2 is not divisible by 5 by Proofing
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Exercises | 1 | 2011-02-11 16:21:21 by bobbym |
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