Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
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this site is very good.
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#1
2008-09-08 05:18:37
sa
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this site is very good.
this site is very,nice this a good site.:D
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this site is very good.