Habisin poin O-o 4° + 90′ – 120″ = …
° = jam
' = menit
" = detik
__________
4° + 90' – 120" = …
__________
4 jam + 90 menit – 120 detik
= 5 jam + 30 menit – 2 menit
= 5 jam + 28 menit
= 5 jam 28 menit
#Koreksii
- 4° + ( 1 + 30 ) – ( 120" – 60" )
- 4° + ( 1 + 30' ) – ( 2 )
- 4° + 1° +( 30' – 2' )
- 5° + 28'
- 5 Jam 28 menit