QUOTE(Xoria @ Jun 19 2006, 02:16 PM) [snapback]99130[/snapback]
This trick is doing my head in, anyone got any explanations?
http://www.ebaumsworld.com/mindprobe.htmlIt didn't take me too long to figure this one out. All of the resulting numbers are divisible by 9. I wrote the proof out in a piece of paper and will post it soon. Pretty much, all results will be all numbers divisble by 9, so 9, 18,27 and so forth. Notice how the same symbol is asigned to all numbers which are divisble by 9, so you will always get the same symbol displayed. Say you chose the number 34. 34 - 3 - 4 = 27. 27 is divisble by 9, so this number and all other numbers divisble by 9 will be given the same symbol. And what you get is the correct symbol all the time. I will post the proof soon. I love math.