a) 5m16cm = ............5.016...............m

9dm4cm = ............0,94..................m

5hm20m= .................5,02......... m

3458 cm = ...............34,58...............m

13dm8mm=.......13,08......................dm

2m59dm =............2,59..............m

35hm6dam =.....0,356......................km

35m6cm = .....0,3506.......................dam

3km7m = .................30,07..............hm

7m15cm=....70,15............................dm

b, 4 tấn 5kg =.........4,005...............tấn

3 tấn 15kg = ..............3,015...........tấn

5tạ20kg= ..............5,002............ tạ

3458 kg = ..........34,58....................tạ

13kg5g=...............13,005..............kg

2 dam2 59dm2 =........2,0059..................dam2

3ha 6 m2 =...........30006................m2

15m2 26cm2 = ...........15,026.................m2

3km2 7m2 = .............3,007..................km

7m2 205cm2=..........7,0205......................m2