rezolvați:
a)10°19' + 4°2'
b)103°+12°53'
c)12°13'+23'
d)48°25'+19°30'
e)5°36'+2°3'
f)72°50'+13°24'
g)25°13+14°2'
h)34°29'-14°
i)12°-9°24'
j)2°7'-1°40'
k)90°-45°14'
l)32°23'-29°40'