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

You are not logged in. #1 20060525 07:35:40
tough oneyou have to get heat water and eletric to each house but no lines can cross #2 20060526 02:11:42
Re: tough oneHeehee, I do decision maths so I can prove that that's impossible. =P Why did the vector cross the road? It wanted to be normal. #3 20070313 13:56:49
Re: tough oneOkay, I’ve been looking at some of these very old threads here … #4 20070313 15:49:37
Re: tough oneI think that is a cheap way out. Represent each house as a vertex. Now try it. "In the real world, this would be a problem. But in mathematics, we can just define a place where this problem doesn't exist. So we'll go ahead and do that now..." #5 20070313 15:57:02
Re: tough oneThen Euler’s formula comes into play. 