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Old 04-14-2011, 09:53 PM   #1
Flint
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482(9+3) = ???

Just a simple test of your math skills. What is the correct answer, and why?
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Old 04-14-2011, 09:55 PM   #2
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2

because it's the right answer
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Old 04-14-2011, 10:11 PM   #3
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Old 04-14-2011, 10:11 PM   #4
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(48/2)(9+3) = 144

48/(2(9+3)) = 2

Any other boring 3rd grade arithematic questions?

Oh yeah, 48/2=24 (duh), 24x12=288

UT wins!

Last edited by SamIam; 04-14-2011 at 10:17 PM.
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Old 04-14-2011, 10:35 PM   #5
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Old 04-14-2011, 10:47 PM   #6
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?
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Old 04-14-2011, 10:48 PM   #7
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288. The reason is order of operations

Quote:
The standard order of operations, or precedence, is expressed here:
terms inside brackets
exponents and roots
multiplication and division
addition and subtraction
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Old 04-14-2011, 10:49 PM   #8
monster
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Quote:
Originally Posted by Undertoad View Post
Quote:
Originally Posted by SamIam View Post
(48/2)(9+3) = 144

48/(2(9+3)) = 2

Any other boring 3rd grade arithematic questions?

Oh yeah, 48/2=24 (duh), 24x12=288

UT wins!
No, terms inside brackets precede division.
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Old 04-14-2011, 10:50 PM   #9
monster
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Quote:
Originally Posted by Undertoad View Post
288. The reason is order of operations
exactly. you did the division first. brackets first.
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Old 04-14-2011, 10:51 PM   #10
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no i did the parens first and then, from left to right, division and then multiplication
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Old 04-14-2011, 10:53 PM   #11
monster
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brackets (parentheses to yanks) first: 9+3 = 12.

brackets are mutiplied by 2 = 24

.......
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Old 04-14-2011, 10:53 PM   #12
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logically, how can 48 divided by anything be 288? I still say 2
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Old 04-14-2011, 10:55 PM   #13
monster
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the multiplication by 2 is part of the brackets phrase. Otherwise it would be written 48 / 2 * (9+3)
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Old 04-14-2011, 10:56 PM   #14
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it is written that way.

brackets first 9+3 = 12

then division 48/2 = 24

then multiplication 24 * 12 = 288
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Old 04-14-2011, 10:56 PM   #15
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I do not see any brackets.
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