Jawabanmu

2014-08-13T18:52:04+07:00
54 = 2 x 3³
45 = 5 x 3²
KPK = 2 x 3³ x 5
          2 x 27 x 5 = 270.
54 = 2x3x3x3
45 = 3x3x5
KP\
KPK = 2x3x3x3x5
2x27x5
=120