JawabanNyaAdalah??? PkeCara​

1,4 kg = 14/10

14/10 + 2 1/2 – 1 1/4

14/10 + 5/2 – 5/4

28/20 + 50/20 – 25/20

78/20 – 25/20

53/20

2 13/20 (c)

maaf kalau salah 🙂