Jawapan

2014-04-17T22:37:00+08:00
Harap ni betollah :
kalau km nak ke m kene ×1000

9km=900m

10km=10000m

180km=18000m
1 5 1
2014-04-18T06:53:03+08:00
Km ke m x1000
9 =900
10 =10000
180 =18000
jdi jwapannya klau
              (+)
900 +10000 + 18000 = 28900
              (-)
900 x 10000 x 18000 = 1620000000000
^