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I don't get this..

 
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Mar20-04, 06:17 AM   #1
 

I don't get this..


It's like a riddle thinger..

If 9 times 9 is 7
10 times 9 is 9
10 times 8 is 8
8 time 8 is 2

What is 9 times 7 ?

It says to "Think mathematically. There is a pattern of calculating involved."

Anybody got any idea what this is??? What the answer is??[g)]
 
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Mar20-04, 07:48 AM   #2
 
Multiply the numbers (using "normal" multiplication), then take the difference between the digits.

9 * 9 = 81 and 8 - 1 = 7.
10 * 9 = 90 and 9 - 0 = 9.
10 * 8 = 80 and 8 - 0 = 8.
8 * 8 = 64 and 6 - 4 = 2.

Since 9 * 7 = 63, the answer you're looking for is probably 6 - 3 = 3.
 
Mar20-04, 06:59 PM   #3
 
Wow.. I never saw that. Thanx
 
Mar23-04, 01:09 PM   #4
TeV
 

I don't get this..


Originally posted by bbg5000
It says to "Think mathematically...
Utter nonsense.
 
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