efectueaza transformarile dupa model: A 820q = ?kg , 14000kg =?t , 34 t = ?kg , 120t = ? q B 5 t 9 q 45 = ?kg , 17 t 6 q 8 kg = ?kg , 23 t 8 q 25 kg= ?kg , 62 t 5 q = ?kg