Please turn on javascript in your browser to play chess.

Posers and Puzzles

Joined 08 Dec '03 Moves 3140 Using only two 2's and any combination of mathematical signs, symbols and functions can you make 5?
-Ray.

Elsewhere

Joined 29 Nov '02 Moves 17317 Originally posted by rgoudie
Using only two 2's and any combination of mathematical signs, symbols and functions can you make 5?
-Ray.
2 + 2 + 1.

in complete

Joined 21 Jul '01 Moves 23852 Originally posted by rgoudie
Using only two 2's and any combination of mathematical signs, symbols and functions can you make 5?
-Ray.
a = 2/2

5 = a+a+a+a+a

Joined 08 Dec '03 Moves 3140 Originally posted by kody magic
a = 2/2
5 = a+a+a+a+a
The correct solution will use no other

digits other than two 2s. You may use any mathematical symbols, which do not include any algebraic variables. This is not a trick question.

-Ray.

Cribs Moderately Offensive

Account suspended

Joined 14 Oct '03 Moves 28590

Joined 08 Dec '03 Moves 3140 Originally posted by Cribs
2 + 2 + e/e I must be more precise. ðŸ™‚

Use only two 2s as well as mathematical symbols and modifiers. No lettered-quantites are required.

-Ray.

Cribs Moderately Offensive

Account suspended

Joined 14 Oct '03 Moves 28590 2 + 2 + |{ {} }|
That is, 4 plus the size of the set whose single member is the empty set.

Joined 08 Dec '03 Moves 3140 Originally posted by Cribs
2 + 2 + |{ {} }|
That is, 4 plus the size of the set whose single member is the empty set. Looks valid. There is at least one more solution.

-Ray.

Thieve's Guild

Joined 17 Mar '04 Moves 17524 Originally posted by rgoudie
Using only two 2's and any combination of mathematical signs, symbols and functions can you make 5?
-Ray.
ceil( sqrt( 22 ) )

Elsewhere

Joined 29 Nov '02 Moves 17317 Do the axiomatic set theory thing:
5 = (2^2)'

Joined 08 Dec '03 Moves 3140 Originally posted by psychopath42
ceil( sqrt( 22 ) ) Not the particular solution that I had in mind, but I'll accept your solution! ðŸ™‚

-Ray.

Your Kingside

Joined 28 Sep '01 Moves 40665 Wow.....I was about to post something but I was using more than 2 2's....I was wondering why noone had said what I was posting already!

Joined 08 Dec '03 Moves 3140 Originally posted by !~TONY~!
what about 2 + 2 + (2/2) ? The problem wit this solution is that the digit 2 appears four times.

-Ray.

Your Kingside

Joined 28 Sep '01 Moves 40665 yessir....hence the edit above.....I thought that was way too easy! I am sitting here wondering why all these people are going deep into math......I SUCK!

Joined 08 Dec '03 Moves 3140 Originally posted by !~TONY~!
yessir....hence the edit above.....I thought that was way too easy! I am sitting here wondering why all these people are going deep into math......I SUCK! Come on, now. Don't be so hard on yourself. ðŸ™‚

-Ray.