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计算:(1)(6-5i)+(3+2i);(2)5i-(2+2i);(3)(23+i)+(1-23i)-(12+34i);(4)(0.5+1.3i)-(1.2+0.7i)+(1-0.4i).

题目详情
计算:
(1)(6-5i)+(3+2i);
(2)5i-(2+2i);
(3)(
2
3
+i)+(1-
2
3
i)-(
1
2
+
3
4
i);
(4)(0.5+1.3i)-(1.2+0.7i)+(1-0.4i).
▼优质解答
答案和解析
(1)(6-5i)+(3+2i)=9-3i;
(2)5i-(2+2i)=-2+3i;
(3)(
2
3
+i)+(1-
2
3
i)-(
1
2
+
3
4
i)=(
2
3
+1-
1
2
)+(1-
2
3
-
3
4
)i=
7
6
-
5
12
i;
(4)(0.5+1.3i)-(1.2+0.7i)+(1-0.4i)=(0.5-1.2+1)+(1.3-0.7-0.4)i=0.3+0.2i.