6÷2（2+1）=？ - Page 3 - 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% Voters: 149. You may not vote on this poll

Old Oct 10th, 2012, 02:04 AM
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Re: 6÷2（2+1）=？

It's 9.

If you want it to be 1 then write 6÷(2 (2+1)).

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Old Oct 10th, 2012, 02:07 AM
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Re: 6÷2（2+1）=？

Quote:
Originally Posted by Dav. View Post
You have to distribute the 3 into the parenthesis first before you divide, no?
nonono

This problem is the same as 6 x (1/2) x (2+1).

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Old Oct 10th, 2012, 02:16 AM
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Re: 6÷2（2+1）=？

I'm a psychology student. Math isn't my thing.

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Old Oct 10th, 2012, 02:16 AM
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Re: 6÷2（2+1）=？

Quote:
Originally Posted by égalité View Post
It's 9.

If you want it to be 1 then write 6÷(2 (2+1)).
Mathpert.

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Old Oct 10th, 2012, 02:16 AM
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Re: 6÷2（2+1）=？

Quote:
Originally Posted by égalité View Post
nonono

This problem is the same as 6 x (1/2) x (2+1).
I meant the two, but still

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Old Oct 10th, 2012, 02:23 AM
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Re: 6÷2（2+1）=？

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Old Oct 10th, 2012, 02:31 AM
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Re: 6÷2（2+1）=？

Quote:
Originally Posted by Dav. View Post
I meant the two, but still
PEMDAS is a lie. Multiplication and division happen at the same time. Addition and subtraction happen at the same time.

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Old Oct 10th, 2012, 02:36 AM
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Re: 6÷2（2+1）=？

It's 9. How can 1 have so many votes
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Old Oct 10th, 2012, 03:10 AM
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Re: 6÷2（2+1）=？

P, E, M/D, A/S

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Old Oct 10th, 2012, 03:47 AM
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Re: 6÷2（2+1）=？

I thought it was 9 then felt like a dipshit when I saw all the 1's on the first page. Glad to see that TF's Mathematical Legend, Egalite is here to grace us with the correct answer and a math lesson.

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Old Oct 10th, 2012, 04:03 AM
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Re: 6÷2（2+1）=？

Setting the equation equal to 1 and solving for k:
Quote:
6/k(2+1) = 1
k(2+1) = 6*1
k(3) = 6
k = 6/(3)
k = 2
Setting the equation equal to 9 and solving for k:
Quote:
6/k(2+1) = 9
k(2+1) = 6*9
k(3) = 54
k = 54/(3)
k = 18
k = 2 in the OP, ∴ the solution is 1.
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Old Oct 10th, 2012, 04:13 AM
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Re: 6÷2（2+1）=？

This stupid question again. I want to find the person that created it and slap some sense into that fool. I hate dumb questions like this because it's not designed to test actual knowledge. If a developer wrote code as poorly formatted as this problem he would be working for some low level city office somewhere instead of making big bucks in the private sector.
But don't let me stop those of you from feeling smarter than others who thought the answer was 1. Carry on.
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Old Oct 10th, 2012, 04:21 AM
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Re: 6÷2（2+1）=？

Quote:
Originally Posted by Pump-it-UP View Post
Setting the equation equal to 1 and solving for k:

Setting the equation equal to 9 and solving for k:

k = 2 in the OP, ∴ the solution is 1.
You do realize you're disagreeing with a professional mathematician here (Egalite) right?
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Old Oct 10th, 2012, 04:56 AM
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Re: 6÷2（2+1）=？

Quote:
Originally Posted by dybbuk View Post
You do realize you're disagreeing with a professional mathematician here (Egalite) right?
He's from Boston, you'll have to excuse him.

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Old Oct 10th, 2012, 05:18 AM
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Re: 6÷2（2+1）=？

Quote:
Originally Posted by dybbuk View Post
You do realize you're disagreeing with a professional mathematician here (Egalite) right?
Yes? I've been unfortunate enough to sit through debates of this type of problem in multiple math classes, so I'm cognizant of each argument. Both are logically sound IMO due to the horrific manner in which the equation is structured. I just happen to think that answering it with 1 is more appropriate.
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