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Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
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Summation problem how to solve without guess and check
by thinkingoutloud
Help Me !
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2008-09-30 05:43:38
by JaneFairfax
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