2,5 DM dikurang 180 m = cm 1km + 20hm ? kmpakai cara​

Jawaban:

25 dm= 25 Cm

180 m= 18000 cm

25 cm – 18000 cm = -17975

1km= 1 km

20 hm= 2 km

1 km + 2 km= 3 km