Question

efectueaza
14⁰15'+15⁰14'
47⁰47'+42⁰43'
15⁰13'x 6
30⁰48':6

Answer 1

1°=60' și 1'=60", 1°=60'=3600 "

14⁰15'+15⁰14' = 29⁰29'

47⁰47'+42⁰43' = 100°30'
47'+43'=90'
60'=1°
90'=60'+30'=1°30'
47°+42°=99°
99°+1°30'=100°30'
15⁰13'× 6 = 91°18'
13'×6=78'=1°18'
15×6=90°
90°+1°18'=91°18'.
30⁰48':6 =5°8'
30°:6=5°
48':6=8'