Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

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**Mohamedaitlh****Member**- Registered: 2018-12-22
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*Last edited by Mohamedaitlh (2018-12-23 01:16:27)*

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