Jawabanmu

2013-12-19T14:44:39+07:00
J = Xmax-Xmin
8 = 6 - x
x = 6 - 8
  = -2
2013-12-19T15:22:11+07:00
J = Xmax-Xmin
8 = 6 - x
x = 6 - 8
  = -2