4000000 mg = ??? kg

(a)  

2 t = ??? g

(a)  

12 kg = ??? mg

(a)  

7000000g = ??? t

(a)  

5 min = ??? s

(a)  

420 s = ??? min

(a)  

0,5 (půl hodiny) = ??? min

(a)  

6 h = ??? min

(a)  

72 h = ??? d

(a)