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Calculati:

4km + 2400m=?m
45m + 12dm=?m


Răspuns :

4km= 4000m => 4000+2400=6400m
12dm=1,2 m =>45+1,2=46,2m

sper ca am fost de ajutor! :)))))
4km:4000m => 4000+2400=6400
12dm=1,2=>1,2+45=46,2