Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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| Maths Teaching Resources | 1 | 2008-11-29 21:27:14 by derekdebres | |
| Maths Teaching Resources | 0 | 2008-01-13 01:05:37 by cinaft |
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