$1.(30$ points$)$ Find the total admittance and impedance of the circuits in Figure.

$($a$)(5$ points$)($a$)$

$($b$)(5$ points$)($b$)$

$($c$)(5$ points$)($c$)$

$($d$)(5$ points$)($d$)$

$($e$)(5$ points$)($e$)$

$($f$)(5$ points$)($f$)$