Explicație pas cu pas:
a)
18°10" + 34'23" = 18°34'(10+23)" = 18°34'33"
b)
23° - 10°32'45" = 22°59'60" - 10°32'45" = (22-10)°(59-32)'(60-45)" = 12°27'15"
c)
(56°10'7") • 3 = (56•3)°(10•3)'(7•3)" = 168°30'21"
d)
(16°40'32") : 4 = (16:4)°(40:4)'(32:4)" = 4°10'8"
