Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
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Three Hats Puzzle
by bravehearts
Maths Is Fun - Suggestions and Comments
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2016-09-02 00:07:34
by bravehearts
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