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1 □ 2 □ 3 □ 4 □ 5 □ 6 □ 7\Large 1 \ \square \ 2 \ \square \ 3 \ \square \ 4 \ \square \ 5 \ \square \ 6 \ \square \ 7 1 □ 2 □ 3 □ 4 □ 5 □ 6 □ 7
If we only used +\large \color{#3D99F6}{+}+ and −\large \color{#D61F06}{-}− in place of the boxes above, how many distinct values can we obtain?
Inspiration.
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