2. Efectuează:
194kg +507 g= ?g 12dg+130cg=? mg


Răspuns :

Răspuns:

194 kg+507 g=194000 g+507 g=194507 g

12 dg+130 cg=1200 mg+1300 mg=2500 mg

Răspuns:

194kg=194000g

194000g+507g=194507g

12dg=1200mg

130cg=1300mg

1200mg+1300mg=1500mg