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calculati: 1 km+1hm+1dam+1m; 0,04km+1dam+30m+20000 m; 500cm-1m-20dm-0,1dam; 5hm+30m+20dm-0,1dam​

Răspuns :

Răspuns:

1000m+100m+10m+1m=1111m

0,04km=40 smd....transformi totul în metri(m)

40m+10m+30m+20000m=20.080m

50m-1m-2m-1m=46m

500m+30m+0.2m-10m=520,2 m