Question

Efectuati: 

47°- 2°14'25'' =

123° 34' 12'' - 5°=

21°15'30'' x 3 = 

11°23'45'' x2 =

123°:5=

47°:2=

Answer 1

1) 
=46*59'60"-2*14'25" = 44*45'35"
2)
=118*34'12"
3)
=63*45'90"=63*46'30"
4)
=22*46'90"=22*47'30"
5)
= 120*180' :5 = 14*36'
6)
=46*60' :2 = 23*30'