85,79 km2 =...... cm2

32m2 4dm2 =......m2

6km2 23456m2=.......km2....hm2..........dam2=..........m2......................km2

5km2 246dam2=.........km2..........hm2..............dam2=,,,,,,,,,,,m2............km2

57932cm2=.........m2................dm2.........cm2=....m2

5,405m2=....m2........................dm2..........cm2................cm2=...............dm2

37805cm2=......m2........dm2.........cm2=..........m2

57950cm2=..............m2.............dm2...................cm2=...........dm2

6km2 23456m2=…km2…hm2…dam2…m2=…km2

5km2 246dam2=…km2…hm2…dam2=…km2

57932cm2=…m2…dm2…cm2=…m2

5,405m2=…m2…dm2…cm2=…cm2…=…dm2

6km2 23456m2=…km2…hm2…dam2…m2=…km2

5km2 246dam2=…km2…hm2…dam2=…km2

57932cm2=…m2…dm2…cm2=…m2

5,405m2=…m2…dm2…cm2=…cm2…=…dm2

6km2 23456m2=........km2...........hm2.........dam2..........m2=..........km2

5km2 246m2=........km2...........hm2.........dam2=.........m2..........km2

57932 m2= ............m2............dm2..........cm2=...........m2

5,405m2=...............dm2............cm2..........=.............cm2...........dm2

11 ha 150m2 = ... m2 

703 cm2 = .... dm2 .... cm2 

810 ha  = ..... km2 ..... dam2 

49000 dam2 = .... km2 ... ha

10,2 m = dm 34,5 km2 = cm2

31,4 l = l

0,5 tạ = tấn

34,5 km2 = cm2

Điền số thích hợp :

a) 7cm2 18mm2= ......mm2

b) 810 ha = ....km2.....dam2

c) 49000 dam2 = .... Km2....ha

d) 9m2 35cm2 = .....cm2

e) 11 ha 150m2 = .....m2 

f) 703 cm2=....dm2....cm2