Question

a) (+3) + (-4) + (-5) =
b) (-6) + (-12) + (-1) =
c)(+3) + (+21) + (-15) =
d) (-5) + (+7) + (- 12) =
e) (+14) + (-9) + (-7) =
f) (-12 ) + (- 6) + (+3) + (-1
​

Answer 1

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