Răspuns:
Km- hm- dam - m - dm - cm- mm
2m 3cm + 6m 7cm
2m=200 cm
6m=600 cm
203 cm + 607 cm= 810cm=8,10m
3m 14cm + 9m 7cm
3m=300cm
9m=900cm
314 cm+907 cm= 1221 cm= 12,21 m
3dm 4cm + 7m 6cm
3dm=30 cm
34 cm+706 cm=
740 cm=74 dm=7,4m
5m 8dm - 42dm
5m=50dm
58dm-42dm=16 dm=1,6m
35dm - 85cm
35dm=350cm
350cm-85cm=265 cm=26,5dm
5km - 400m
5km = 5000 m
5000 m-400m=4600 m=4,6km
3m + 5cm - 2dm
3m=30 dm=300cm
2 dm=20cm
300 cm+5 cm+20cm
=325 cm=32,5dm=3,25m
8km + 300m + 20m
8 km=8000 m
8000m+300m+20m
=8320m=8,320km
60cm + 4dm - 30cm
4 dm=40cm
60 cm+40cm-30cm=70 cm=7 dm
Explicație pas cu pas:
