really? but it is possible.... don't trust you teachers, might be they don't know. if real calculate, you can find the answer. LeoSeo has tried and I think he can find the answer, if he try more.. lots of old math methods on internet, if you can find.
stupid !!! if you can't find the answer, it is your problem. might be you guy likes to make fool others and might be it is in your culture.
I have tried many times, and Now I can say only one thing, that there is no answer and you are simply pulling our legs.
If you like to play with numbers, you'll enjoy my own thread: http://forums.digitalpoint.com/showthread.php?t=750688 I can assure that there are solutions for all sets (solved myself).
depends on what you consider 0 is? 0+5+5+5+5+5+3+1+1 its 3 Am here.. i need to sleep and get back tomorrow with fresh mind haha
turksweb, what is your definition of "odd" in this problem? It looks as if you are creating your own definition for it, or altering the original.