Thursday, March 17, 2016

Fox 357

Long time no see!!!
Hope everybody is doing alright.
Yeah, sure love each other, especially those who really need to be loved!

Let me now take another long break :)

Saturday, May 11, 2013

Fox 356

Tony García has sent this one.  The relationship may be simplified.  At least, a more concise expression may be found - with your help.

The question is still open:
Can r be written as function of a only?

Sunday, January 27, 2013

Fox 355

Roland Sampy submited this one.  Let's confirm his answer.
Happy new year to all, by the way!

Wednesday, November 28, 2012

Fox 354

Roland Sampy has submitted this problem.
It looks right, but not confirmed yet.

Monday, November 5, 2012

Fox 353

Tony García‏ from Dominican Republic submitted this one.  It looks like it requires brute force.  Better than being idle I guess!  So enjoy...

The answer is not confirmed yet.

Friday, April 13, 2012

Fox 352

We will add comments later...
There are many lazy observations that could help.

Saturday, April 7, 2012

Fox 351

Let's start with this simple one for high-schoolers :)
Pure-geometric solution will be appreciated.
We'll build upon this later.