Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
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(i=1~∞)∑0i+0i..+0i=....1?
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I know I know nothing
So I will be quiet ..........
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2008-02-15