Question

2- Calcule.
a) 25° 12' + 40° 30'
b) 10° 45' 45" + 20° 20' 45"
c) 50° 49' 45" + 20° 20' 45"
d) 45° 20' 25" - 30° 30' 30"​

Answer 1

Explicação:

25°12+40°30=65°42

10°45'45"+20°20'45= 30°66'90

50°49'45+20°20'45= 70° 69'90"

45°20'25-30°30'30"=15°-10'-5"