1. 17 hm + 100 dam + 50 m = m 2. 900.000 m - 3500 hm - 50 km = km 3. 60 dam + 8 m - 30 dm = dm 4. 55.000 cm - 15 dam + 45 m = m

1. 1700m+1000m+50m=2750m
2. 900km-350km-50km=500km
3. 6000dm+80dm-30dm=6050dm
4. 550m-150m+45m=445m

1. 17hm+100dam+50m=1700+1000+50=2750m
2. 900.000m-3500hm-50km=900-350-50
=500km
3. 60dam+8m-30dm=6000+80-30=6050dm
4. 55.000cm-15dam+45m=550-15000+45
=-14405m