\[1)\ z = 1 + i;\]
\[\overline{z} = 1 - i.\]
\[2)\ z = 3 + 4i;\]
\[\overline{z} = 3 - 4i.\]
\[3)\ z = - 2 + 5i;\]
\[\overline{z} = - 2 - 5i.\]
\[4)\ z = - 6 - 3i;\]
\[\overline{z} = - 6 + 3i.\]
\[5)\ z = - 0,7 - 1,3i;\]
\[\overline{z} = - 0,7 + 1,3i.\]
\[6)\ z = \frac{1}{2} - \frac{3}{4}i;\]
\[\overline{z} = \frac{1}{2} + \frac{3}{4}i.\]