a)7cm3 =.............dm3 1924cm3 =..................dm3
49cm3 =...............dm3 3700cm3 =.................dm3
650cm3 =.......dm3 52000cm3 =................dm3
b)4,5cm3 =......................dm3 5410,3cm3 =.................dm3
2dm3 34cm3 =.............................cm3 5dm3 9cm3 =..........dm3