Jawabanmu

2014-08-24T21:50:54+07:00
1/4 x 2/5 = 5x8 per 20 = 40 per 20= 2
2014-08-24T21:53:32+07:00
1/4 x 2/5 = 5 x 8 per 20 = 40 per 20 = 2/1 = 2