+0  
 
0
70
1
avatar

$1 \ \square \ 2 \ \square \ 3 \ \square \ 4$

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

 Mar 1, 2022
 #1
avatar+122390 
+1

\($1 \ \square \ 2 \ \square \ 3 \ \square \ 4$\)

 

+ + +   =    10

+ + -    =      2

+ - -     =     -4

- - -      =     -8

- + +    =      6

- - +     =      0

+ - +    =      4

- + -     =     -2

 

 

cool cool cool

 Mar 1, 2022

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