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[tex] ( + 3) + ( + 2) = [/tex]
[tex]( + 5) + ( + 1) = [/tex]
[tex]( + 7) + ( + 5) = [/tex]
[tex]( - 7) + ( - 5) = [/tex]
[tex]( - 4) + ( - 7) = [/tex]
[tex]( - 8) + ( - 6) = [/tex]
[tex] ( + 3) + ( + 2) = [/tex]
[tex]( + 5) + ( + 1) = [/tex]
[tex]( + 7) + ( + 5) = [/tex]
[tex]( - 7) + ( - 5) = [/tex]
[tex]( - 4) + ( - 7) = [/tex]
[tex]( - 8) + ( - 6) = [/tex]
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( + 3) + ( + 2) = 5
( + 5) + ( + 1) = 6
( + 7) + ( + 5) = 12
( - 7) + ( - 5) = -12
( - 4) + ( - 7) = -11
( - 8) + ( - 6) = -14