Jawabanmu

2014-09-04T16:18:00+07:00
20.3 + 31.75 = 52.05 kg alias 52 5/100 kg

20.3 + 31.75 = 52.05 kg alias 52 5/100 kg
2014-09-04T16:22:27+07:00
(20+31)+(3/10+3/4=6+15/20=21/20)
=51+21/20=51 21/20=52 1/20