Respostas

2013-12-11T22:33:22-02:00
A)(8+4i)+(2+5i)=
10+9i

B)(7+8i)-(2+6i)=
7+8i-2-6i=
5+2i

c)(16+25i)+(34+15i)=
16+25i+34+15i=
50+40i
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