Jawabanmu

2014-02-10T23:35:54+07:00
1. 5/7 - 4/5 = 25/35 - 28/35 = -3/35
2. 6/8 - 2/4= 6/8 - 4/8 = 2/8 = 1/4
3. 3/5 - 1/4 = 12/20 - 5/20 = 7/20
4. 4/5 - 4/6 = 24/30 - 20/30 = 4/30 = 2/15
makasih yah ini anak ada tugas bapak nya gak ngerti maklum lulusan sd....