6÷2(2+1)=? - TennisForum.com
View Poll Results: ?
1. 40 26.85%
9. 99 66.44%
Others.(Please specify.) 2 1.34%
Hard to say. 8 5.37%
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post #1 of 355 (permalink) Old Oct 10th, 2012, 12:58 AM Thread Starter
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6÷2(2+1)=?

Calculate carefully

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post #2 of 355 (permalink) Old Oct 10th, 2012, 01:16 AM
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Re: 6÷2(2+1)=?

1.
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post #3 of 355 (permalink) Old Oct 10th, 2012, 01:24 AM
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Re: 6÷2(2+1)=?

I wasn't a great Math guy but I remember "orders of operation" from way back when...9

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post #4 of 355 (permalink) Old Oct 10th, 2012, 01:26 AM
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Re: 6÷2(2+1)=?

Hard to say but the answer is 9.

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post #5 of 355 (permalink) Old Oct 10th, 2012, 01:27 AM
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Re: 6÷2(2+1)=?

What the hell is this about?

6÷2(2+1)

6÷2 x(2+1)
3 x 3
9


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post #6 of 355 (permalink) Old Oct 10th, 2012, 01:31 AM
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Re: 6÷2(2+1)=?

Quote:
Originally Posted by New_balls_please View Post
What the hell is this about?
It is a math problem that appeared on facebook some time ago, some people argue to death and defriend each other arguing which is the correct answer for it, 9 or 1. Scandalous.

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post #7 of 355 (permalink) Old Oct 10th, 2012, 01:35 AM
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Re: 6÷2(2+1)=?

Quote:
Originally Posted by Matías. View Post
It is a math problem that appeared on facebook some time ago, some people argue to death and defriend each other arguing which is the correct answer for it, 9 or 1. Scandalous.
Oh really? I've never heard of it

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post #8 of 355 (permalink) Old Oct 10th, 2012, 01:38 AM
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Re: 6÷2(2+1)=?

I got 9 as well, but I'm not very good a maths
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post #9 of 355 (permalink) Old Oct 10th, 2012, 01:44 AM
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Re: 6÷2(2+1)=?

9

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post #10 of 355 (permalink) Old Oct 10th, 2012, 01:50 AM
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Re: 6÷2(2+1)=?

It's 1 following the parentheses rule, no?

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post #11 of 355 (permalink) Old Oct 10th, 2012, 01:52 AM
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Re: 6÷2(2+1)=?

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post #12 of 355 (permalink) Old Oct 10th, 2012, 01:56 AM
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Re: 6÷2(2+1)=?

You do the parenthesis first. Multiplication AND Division, you do whatever one comes first in the equation. So in this case, you divide first and then multiply.
(2+1) = (3) and then 6 ÷ 2 = 3, and 3(3) = 9


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post #13 of 355 (permalink) Old Oct 10th, 2012, 01:57 AM
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Re: 6÷2(2+1)=?

Technically can't that be written as 6÷2(2+1)= 6 ÷(2x2 + 2x1) = 1?

Then again I'm not sure.




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post #14 of 355 (permalink) Old Oct 10th, 2012, 02:00 AM
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Re: 6÷2(2+1)=?

Quote:
Originally Posted by Dav. View Post
It's 1 following the parentheses rule, no?
Chris

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post #15 of 355 (permalink) Old Oct 10th, 2012, 02:02 AM
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Re: 6÷2(2+1)=?

Quote:
Originally Posted by Rui. View Post
Technically can't that be written as 6÷2(2+1)= 6 ÷(2x2 + 2x1) = 1?

Then again I'm not sure.
No, because you do whatever is in the parenthesis first. So you Add 2 and 1 to get 3.

Then it's 6÷2(3)

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