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Brain Twister
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De
09/02/2010 12:52:10
 
 
À
09/02/2010 12:48:47
Information générale
Forum:
Games
Catégorie:
Mathématique
Titre:
Divers
Thread ID:
01448140
Message ID:
01448416
Vues:
38
>>>>>Look at the math below. They say only people with an IQ of 120 and over are able to figure this out.
>>>>>
>>>>>If:
>>>>>
>>>>>2 + 3 = 10
>>>>>7 + 2 = 63
>>>>>6 + 5 = 66
>>>>>8 + 4 = 96
>>>>>
>>>>>Then:
>>>>>
>>>>>9 + 7 = ?
>>>>
>>>>It took me two minutes and I did not look at the rest of the thread
>>>>
>>>>multiply the first number with itself and add the product of the two numbers to it, thus
>>>>
>>>>9 + 7 = 81 + 63 = 144
>>>
>>>Interesting. I saw it differently (and, I think, more simply) :
>>>Add the two numbers together and multiply by the first.
>>
>>It's really exactly the same. (x+y)*x == x²+xy
>
>I understand that - just interesting that we 'saw' it differently....

Yes, I agree. Actually I had to put it down on paper to see it myself, so I thought I might as well share my notes. :-)
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