6G5 Sčítání a odčítání úhlů

Vypočítej:
 1. level: 2. level:   3. level:  
12° + 15° =
12°20' + 13°25' =
25°36' + 25°36' =
120°12' + 48°48' =                  
56°48' - 12°12' =
89°59' - 59°19' =
13°45' + 25°15' =
56°56' + 56°5' =
100°10' + 55°55' =
25°40' + 40°25' + 55°55' =                   
65°23' - 6°2' =
125°45' - 25°5' =
45°56' + 45°56' =
88°18' + 55°55' =
83°5' - 80°54' =
74°23' - 72°25' =
25°18' + 67°53' - 45°59' =
124°30' - 68°55' + 3°53' =