Va rog sa ma ajutati, ofer 20 puncte

Răspuns:
a)4,8dm=0,048 dam
125,7m=12,57dam
suma=12 ,618dam
b)0,007kg+0,12kg=0,127kg
c)500dm^3+3dm^3=503dm^3
d)12847m^2=1,2847hm^2