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I hope you're good at Math!

 
 
Reply Fri 4 Apr, 2003 11:36 am
Using only two 2's and any combination of mathematical signs, symbols and functions can you make 5?

Twisted Evil Blaine is Back!
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Type: Discussion • Score: 1 • Views: 4,995 • Replies: 44
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Craven de Kere
 
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Reply Fri 4 Apr, 2003 11:53 am
Hint: use division to make a "one" first.
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Craven de Kere
 
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Reply Fri 4 Apr, 2003 11:53 am
Nice to see ya back BTW.
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TechnoGuyRob
 
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Reply Fri 4 Apr, 2003 12:55 pm
I got 2*(2+1/2), but you need 3 2's for that
Any more hints?
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Craven de Kere
 
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Reply Fri 4 Apr, 2003 01:03 pm
Aha, actually I had missed the restriction on the amount of '2's allowed. I really should read these things.
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laura nav nedu
 
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Reply Sat 12 Apr, 2003 09:35 am
sqrt(.2^(-2)) = 5


Laura
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TechnoGuyRob
 
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Reply Sat 19 Apr, 2003 10:31 am
pretty good laura
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laura nav nedu
 
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Reply Sat 19 Apr, 2003 12:13 pm
Smile Thanks


Laura
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Jim
 
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Reply Sat 19 Apr, 2003 08:45 pm
How about (2+2+2+2+2)/2 = 5?
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laura nav nedu
 
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Reply Sun 20 Apr, 2003 03:02 am
You used more than two 2's.

Can't do that.


Laura
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Texan
 
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Reply Sat 11 Oct, 2003 01:09 pm
Using only 2 twos
2 to the zero power plus 2 squared equals 5 :wink:

Tex
[email protected]

In trying to fill out my profile, I did not know what was wanted from the following: ICQ#, AIM address, MSN messenger and Yahoo Messenger.

And I just joined a riddle forum? :wink:
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jespah
 
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Reply Sat 11 Oct, 2003 03:07 pm
Good thing I saw this - normally questions like this aren't picked up unless on Forum Help.

The questions re AIM, ICQ, etc. are optional. Fill them out if you want to. If not, don't worry about them.

Also, we have a LOT more than just Riddles. By the way, Texan, welcome to Able2Know! :-D
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riddler
 
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Reply Fri 24 Oct, 2003 06:57 pm
hey Laura, you're answer ended up being .5 and not 5, so Blaine does it have to be a whole number?
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nsa
 
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Reply Thu 30 Oct, 2003 09:33 am
riddler wrote:
hey Laura, you're answer ended up being .5 and not 5, so Blaine does it have to be a whole number?
riddler, you missed the decimal point in front of the first "2" in Laura's response.
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laura nav nedu
 
  1  
Reply Thu 30 Oct, 2003 11:15 am
Quote:
hey Laura, you're answer ended up being .5 and not 5, so Blaine does it have to be a whole number?


Nope, my answer ended up 5. :wink:


L.
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myndzi
 
  1  
Reply Thu 6 Nov, 2003 05:40 am
Silly
(2/2) * 5

Noone restricted the use of digits other than 2 Wink

I like Laura's response better, however.
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fresco
 
  1  
Reply Wed 26 Nov, 2003 01:11 pm
Just a slight modifacation:

The modulus of [ laura's answer ] = 5

(Laura gets +5 or -5)
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andrewcarlin
 
  1  
Reply Wed 26 Nov, 2003 02:59 pm
2 divided by 2 =1
1+2+2=5
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andrewcarlin
 
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Reply Wed 26 Nov, 2003 03:00 pm
i dunno!
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andrewcarlin
 
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Reply Wed 26 Nov, 2003 03:02 pm
when u said using only two 2's did that mean we cant use any other numbers????
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