+0  
 
0
85
3
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\(\Large 1 \ \square \ 2 \ \square \ 3 \ \square \ 4 \ \square \ 5 \ \square \ 6 \ \square \ 7\)

 

If we only used plus signs and minus signs in place of the boxes above, how many distinct values can we obtain?

 Jun 13, 2020
 #1
avatar+549 
0

Maybe it is \(2^6\) but you probably have to minus the repeats.

 Jun 13, 2020
 #3
avatar+131 
+5

Yeah, I think itś 2^6.

 

There are 2 possibilities for the first

There are 2 for the second

There are 2 for the third. This goes on...

 Jun 14, 2020

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