Explicație pas cu pas:
a)23°14'+10°33'=33°47'
b)19°39'-7°21'=12°18'
c)(41°2')•3=41°•3 2'•3=123°6'
d)19°39':3=18°(39'+60'/1°):3=18°99':3=6°33'
e)34°18'+18°52'=52°70'=52°(60'/1°+10')=53°10'
f)71°23'-63°29'=70°(23'+60')-63°29'=70°83'-63°29'=7°54'
g)5•(21°30')=5•21°5•30'=125°150'=127°30'
150'=2°(120')30'
h)(28°48):6=24°288':6=4°48'
288'=48'240'(4°)
Sper ca te-am ajutat!Coroana?:)