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Brain Twister
Message
From
10/02/2010 08:15:36
Metin Emre
Ozcom Bilgisayar Ltd.
Istanbul, Turkey
 
 
General information
Forum:
Games
Category:
Mathematical
Title:
Miscellaneous
Thread ID:
01448140
Message ID:
01448526
Views:
26
>>>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.

This is a math. rule form elementary school :)) : distribution property of multiply (I don't know I just translate to english. maybe it's name different in english):

a(a+b)=a**a+a*b
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