Question 654175
1.
6 + 2i + 1 - 2i
6 + 1 + 2i - 2i
{{{highlight_green(7)}}}
...
2.
5 + 4i - 1 - 2i
5 - 1 + 4i - 2i
{{{highlight_green(4+2i)}}}
.....................
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