a) 5t=50q
50q-47q=3q(trebuie adaugat)
b) 2dag=200dg
200dg-52dg=148dg (trebuie adaugst)
c) 40cg=400mg
400mg-238mg=162mg (trebuie adaugat)
d) 72g=7200cg
7200cg-67cg=7133cg (trebuie adaugat)
e) 3kg=3000g
3000g-389g=2611g (trebuie adaugat)
f)4q=400kg
400kg-156kg=244kg (trebuie adaugat)