Răspuns:
a. 4 dam=40m
40m+13m=53m
b. 2km=200dam
200dam+2dam=202dam
c. 20km=2000dam
2000dam+7dam=2007dam
d. 300dm=30cm
30cm+200cm=230cm
e. 3000mm=30dm
30dm+120dm=150dm
f. 20dm=2cm
2cm+500cm=502cm
Explicație pas cu pas:
Sper ca e corect si ca te-am ajutat!