ma puteți ajuta dau coroana am nevoie

a)90°-40°=50°
b)90°-35°=55°
c)90°-81°=9°
d)90°-23°37'=89°60'-23°37'=66°26'
e)90°-55°38'=89°60'-55°38'=34°22'
f)90°-34°26'43''=89°59'60''-34°26'43''
=55°33'17''