Răspuns:
Explicație pas cu pas:
a) 12°20'•4 = 48°80' = 49°20'
d) 15°20'30" •3 = 45°60'90'' = 45°61'30'' = 46°1'30''
c)17°20'•8 = 136°160' = 138°40'
b) 25°15'•6 = 150°90' = 151°30'
e) 24°30'32"•4 = 96°120'128'' = 96°122'8'' = 98°2'8''
f) 40°50'42"•3 = 120°150'126'' = 120°152'6'' = 122°32'6''