Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

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**Dental**- Replies: 2

I found a picture and still don't know how is it possible. Please, can anybody help me? Thanx

`http://iforum.xf.cz/viewtopic.php?t=16`

**Dental**- Replies: 2

I found something very interesting, a mathematical proof showing that 2=1. It"s here:

`http://iforum.xf.cz/viewtopic.php?t=9`

And I think I already know where is the problem...

Pages: **1**