a
)
(
2
+
3
i
)
-
(
-
2
+
4
i
)
+
(
1
-
2
i
)
=
____________________
-
____________________
b
)
(
2
+
i
)
.
(
5
-
3
i
)
=
____________________
-
____________________
c
)
(
-
4
+
5
i
)
/
(
3
-
2
i
)
=
____________________
/
____________________
+
____________________
/
____________________
d
)
(
3
+
5
i
)
.
(
3
-
5
i
)
=
-
____________________
e
)
(
1
-
6
i
)
/
(
1
+
6
i
)
=
-
____________________
-
____________________
f
)
i
+
(
3
-
8
i
)
-
3
=
____________________
-
____________________
g
)
(
7
+
3
i
)
+
(
1
-
4
i
)
-
(
8
+
i
)
=
____________________
+
____________________
