What is your favorite math problem?

[darkkingdom]

Mine is the Logarithms

log (xy^2/z^3)  

[Koneko Midoria]

My favorite math problem is the invisible math problem.

 

[Ghostfrost]

8=D~ (sorry i couldn't help it). xD

 

[Green eyed Masochist]

pythagorean theorum  

[Sericate]

Koneko Midoria

My favorite math problem is the invisible math problem.

I concur.
:B

 

[Ichigo Kurosaki711]

mine is 1 + 1 = []  

[Ixcilia]

Simple addition.  

[nyunyuchii]

My favorite math problem is one that I don't have to solve.  

[[Comic.Explosion]]

Math problems are icky, but by all means, math solutions are always nice (:

 

[Magnifique Me]

my favorite are the ones that dont include math! :G  

[Unfavoured Guest]

algebra and equations definitely
finding out what x equals always gives me a buzz of excitement!
nerd power!  

[Lay-San]

it used to be word problems...until calculus.
but trig is still fun to solve  

[RavenWolf13]

TRAPEZOIDAL RULE!!!!! Because trapezoidal is fun to say and I just like it. XD
the Pythagorean Theorem is also very nice though. biggrin  

[xRubyRELOAD]

2 + 2 = Fried Chicken! xDDD  

[Techno Rocker7]

0.002+e^(2pie) + E 1/2

0.002+e^(2pie) = 535.4936555 and the limit of the sum of (1/2^n) as n goes to infinity is = 1. Therefore 535.4936555 + 1 = 536.4936555.

as seen here: http://failblog.org/2009/03/18/bill-payment-win/