Jawabanmu

2014-02-01T16:25:32+07:00
3/4 +1 1/5 + 1/2
=1+(15+4+10) /20
=1+29/20
=1+1 9/20
=2 9/20


2014-02-01T16:27:52+07:00
Ipa = 3  x 60 menit = 45 menit
         4
mtk = 6 x 60 menit = 72 menit
          5
b.indo = 12 x 60 menit = 72 menit
              10
45 menit+72 menit+72 menit = 189 menit (3 jam 9 menit)
1 5 1