6÷2（2+1）=？ - TennisForum.com
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Old Oct 9th, 2012, 11:58 PM Thread Starter
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6÷2（2+1）=？

Calculate carefully

Lin Lin is offline

Old Oct 10th, 2012, 12:16 AM
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Re: 6÷2（2+1）=？

1.
RenaSlam. is offline
Old Oct 10th, 2012, 12:24 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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Old Oct 10th, 2012, 12:26 AM
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Re: 6÷2（2+1）=？

Hard to say but the answer is 9.

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Old Oct 10th, 2012, 12:27 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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Old Oct 10th, 2012, 12:31 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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Old Oct 10th, 2012, 12:35 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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Old Oct 10th, 2012, 12:38 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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Old Oct 10th, 2012, 12:44 AM
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Re: 6÷2（2+1）=？

9

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Old Oct 10th, 2012, 12:50 AM
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Re: 6÷2（2+1）=？

It's 1 following the parentheses rule, no?

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Old Oct 10th, 2012, 12:52 AM
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Re: 6÷2（2+1）=？

1
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Old Oct 10th, 2012, 12:56 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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Old Oct 10th, 2012, 12:57 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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Old Oct 10th, 2012, 01:00 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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Old Oct 10th, 2012, 01:02 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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