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Calculati:45dam+35m+9hm=?m
3000m+580dam+30km=?m
250m+15km+170hm=?m
90000dam+70000m+300hm=?km


Răspuns :

•450m+35m+900m=1385
•3000m+5800m+300m=9100m
•250m+1500m+1700m=3450m
•900km+70km+30km=1000km