Jawabanmu

2014-08-13T18:26:29+07:00
4,75 - (2 3/4 +11/6) =4 75/100 -(11/4+11/6) . =4 15/20 -(33/12+22/12). =4 15/20-55/12. =4 15/20-4 7/12. =0,167 jam