Răspuns:
Explicație pas cu pas:
1m=...10....dm=....100....cm=....1000......mm
2m=....2*100 = 200.....cm
5m=......5*100 = 500.....cm
12m=....12*100 = 1200..........cm
5dm=....5*10 = 50.....cm
3cm=....3*10 = 30.......mm
7cm=....7*10 = 70.....mm
30dm=......30:10 = 3......m
400cm=.....400:100 = 4..........m
200m=....200*10 dm= 2000...dm=....2000:10 m=200......m
600cm=...600:100 m=6....m=...6*10 = 60...dm
70mm=...70:1000m=0,07...m=....0,07*10 dm = 0,7....dm
7000mm=......7000:10 cm = 700...cm=..70..dm= .....7..m
9000mm=....9...m=....90....dm=...9...m
7000m=....700.dam=...70.....hm=....7..km
