Jawabanmu

2014-01-29T22:37:05+07:00
(3/4+3/2)-2/5
(3/4+6/4)-2/5
9/4-2/5
45/20-8/20=37/20
               =1 17/20
2014-01-29T22:50:45+07:00
3/4 + 3/2 - 2/5= 15/20 + 30/20 - 8/20 = 45/20 - 8/20 = 37/20 = 1 17/20
1 5 1