Jawabanmu

2014-04-28T20:13:11+07:00
4/7 x (1/8+1/2).samakan penyebut. 4/7 x (1/8+4/8)=4/7 x 5/8 =20/56=5/14=0,36
2014-04-28T20:13:58+07:00
1/8+1/2 = 1/8+4/8= 5/8
4/7X5/8 = 20/56