Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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| Topic | Forum | Replies | Last post |
|---|---|---|---|
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Multiplying 2 digits by 45 by esatpllana
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This is Cool | 10 | 2008-08-14 07:15:26 by Alyssa_96 |
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Mental math by Rosy
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Maths Teaching Resources | 2 | 2008-05-03 14:12:43 by nedster |
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Unbelievably fast mental calculations! by Identity
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Dark Discussions at Cafe Infinity | 24 | 2008-04-26 05:45:42 by tereline |
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