a)100cm-964mm+24cm=...mm
1000mm-964mm+240mm=36mm+240mm=276mm
b)72dm-450mm+249cm=...cm
720cm-45cm+249cm=675cm+259cm=934cm
c)1m-1dm-1cm-1mm=...mm
1000mm-100mm-10mm-1mm=889mm
d)74dam+1km+500m=...dam
74dam+100dam+50 dam=224dam
e)4km+2hm+15dam+279m=...m
4000m+200m+150m+279m=4629m
f)116km-2400dam-840hm+2000m=...dam
11600-2400dam-8400dam+200dam=1000dam
g)68.000m+27.500hm+4800dam-1998 km=...km
68km+2750+48-1998km=868km
Sper că te-am ajutat!