Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
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In a building, which floor is the safest?
by harplayer
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Dark Discussions at Cafe Infinity
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2014-10-24 21:32:52
by bobbym
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