Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
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The Ball-Drop Problem - Solve w/o Knowing the Solution!
by PMH
Puzzles and Games
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2020-07-29 20:13:28
by Bob
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