Jawabanmu

2014-01-09T10:31:20+07:00
1: 2,500,000 = x cm : 12,000,000
 2,500,000x = 1,200,000
               x = 1,200,000 / 2,500,000
                  =0,48 cm
2014-01-09T10:32:07+07:00
12 km = 1.200.000 cm
jp = 1.200.000 / 2.500.000
jp = 0,48 cm