Jawabanmu

2014-03-01T11:31:58+07:00
  1 1/8 kw - 3/5 kw
= 9/8 kw - 3/5 kw
= 45/40 - 24/40
= 21/40 kw
1 5 1
2014-03-01T11:37:11+07:00