👤

calculati: a) 12°13' × 3 b) 17°32' : 2
c)18°30' + 45°320' d) 100°30' - 99° 45'10"


Răspuns :

a)12°13'×3=36°39'; b)17°32':2=86°6'; c)18°30+45°320'=47°150'; d) 100°30'-99°45'10'=98°44'80°..