$a)180{\text{dm}}^3=180000{\text{cm}}^3$   

Bo  $1{\text{dm}}^3=1000{\text{cm}}^3$   

$180{\text{dm}}^3=0,18{\text{m}}^3$   

Bo $1{\text{m}}^3=1000{\text{dm}}^3$    

$180{\text{dm}}^3=180\text{l}$  

Bo $1\text{l}=1{\text{dm}}^3$  

 

$b)0,5{\text{cm}}^3=500{\text{mm}}^3$  

Bo  $1{\text{cm}}^3=1000{\text{mm}}^3$  

$0,5{\text{cm}}^3=0,0005{\text{dm}}^3$  

Bo $1{\text{dm}}^3=1000{\text{cm}}^3$  

$0,5{\text{cm}}^3=0,0000005{\text{m}}^3$  

Bo  $1{\text{m}}^3=1000000{\text{cm}}^3$      

 

$c)2{\text{m}}^3=2000{\text{dm}}^3=2000\text{l}$  

$2{\text{m}}^3=2000000{\text{cm}}^3$  

 

$d)0,03{\text{dm}}^3=30{\text{cm}}^3=30000{\text{mm}}^3$  

$0,03{\text{m}}^3=0,00003{\text{m}}^3$