Jawabanmu

2014-08-26T19:41:05+07:00
2a + 4b / 5a - 2b
2 . 2/3 + 4 . 3/4 / 5. 2/3 - 2 . 3/4
4/3 + 12/4 / 10/3 - 6/4
4/3 + 3 / 40/12 - 18/12

4/3 + 9/3 / 22/12
13/3 / 11/6
13/3 × 16/11
208/33
6.303