Question 1209623
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The sum of all real parts is  2 + 2 + (-2) + (-2) = 0.


The sum of all imaginary parts is  3i + (-3i) + 3i + (-3i) = 0.


The resulting number (the resulting sum) is 0,


or 0 + i*0,  if you want to write it in the form a + bi.
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Solved, with all necessary explanations.