Jawabanmu

2014-03-20T14:30:30+07:00
1. 4 3/4 + 5/6 = 4 9/12 + 10/12 = 4 19/12 = 5 7/12
2. 30 : 6/5 = 30/1 x 5/6 = 150/6 = 25
3. 12 : 1 1/4 = 12 : 5/4 = 12/1 x 4/5 = 48/5 = 9,6
4. 5 2/3 : 4/5 : 1/4 = 17/3 : 4/5 : 1/4 = 17/3 x 5/4 : 1/4 = 85/12 : 1/4 = 85/48 = 1 37/48
2014-03-20T14:33:31+07:00
4 3/4 + 3/6=19/4=3/6=4,75+0,5=4,80
30:6/5=30X5/6=25

12 : 1 1/4 = 12 :5/4=12X4/5=9,6

5 2/3 : 4/5 : 1/4 =15/3:4/5:1/4
15/3X5/4X4/1=25
(maaf klo ada yang salah)