Can you figure out how this works?!


Question: Can you figure out how this works!?
http://www!.learnenglish!.org!.uk/games/mag!.!.!.

Please go to the above website and try it out!. I absolutely can't figure out how he does it!. If you can, please please please tell me!!Www@Enter-QA@Com


Answers:
the way he does it is makes your answer a multiple of nine
and if you look at the symbol chart all the multiples of 9 have the same symbol

example

34-7= 27
56-11=45
81-9= 72
14-5=9
and so on hope that helpedWww@Enter-QA@Com

Wikipedia has the answer:

http://en!.wikipedia!.org/wiki/Magic_gophe!.!.!.

The trick to the game is that the gopher uses the same symbol for every multiple of 9, from 0 through 81 (it is impossible to get a higher number using only two digits)!. The gopher assigns the same symbol to the multiples of 9 as to other non-multiples of 9 in order to cover up the trick; the symbol picked for each game is randomized!. No matter which two-digit integer the player chooses, when the subtraction is done, the resulting number will always be a multiple of 9!. In fact, no matter which (nonnegative) integer the player chooses, the result will always be a multiple of 9!. The former can be proven using elementary algebra!. Be aware that the proofs for n digits rely on that the digits of the number are indexed with the rightmost digit being assigned position 0, with the adjacent digits (to the left) having an index increasing by one each time!. For example, for the number '261', the digit '1' is in position 0, '6' is in position 1, and '2' is in position 2!.Www@Enter-QA@Com

yee i knoo hw dey du ihh!.!.!. wen dey ask yu 2 remember yur symbol!.!.!. yu end up putting your mouse over teh symbol dat matches yur number cuz yur tryna look 4 ih!.!.!. den dey no wat yur number n symbol iz!.!.!.

wen da symbols *** up mke sure yur mouse doesnt touch any symbols!.!.!. i bet you dey will geh ih wrong!!!!!!!Www@Enter-QA@Com

The number you end up with will always be a multiple of 9, and so all these numbers have the same symbol!.Www@Enter-QA@Com

thats cool i like tht but can figure out how he does it lolWww@Enter-QA@Com

I dont know lol!.!.!.!.pretty awesome thoughWww@Enter-QA@Com

Do it and dont run your mouse over the right answer!.!.!. it was wrong twice for meWww@Enter-QA@Com

That is so cool!. I've seen one like it before and don't know how it works!.!.!.!.!.!. artificial intelligence!?!?!?Www@Enter-QA@Com



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