1 . Viết số thik hợp vào chỗ chấm :
35,48 dm2 = ? cm2 3,45 km2 = ? ha
75,45 tấn = ? kg 125,49 m = ? cm
5,035 m2 = ? cm2
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
35 dm2 = ………cm2 30 dm2 56 cm2 = …..cm2 8 dm2 9 cm2 = ……..cm2 23 m2 = ……….dm2 | 3m2 5 dm2 = ……..dm2 1 m2 4 cm2 = ………cm2 6300 dm 2 = ……….m2 1 m2 4 dm2 = ………cm2 | 4000 cm2 = ….. dm2 1800dm2 40000 cm2 = ……m2 1070000 cm2 = ………m2 7m2 200 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
7 cm2 =.........mm2
18 hm2 =...........m2
4300 dm2 =............m2
48 dm2 32 m2 = .............m2
3010m2 = ............dam2............ m2
160 cm2 = ................dm2 .............cm2
5 m2 2 dm2 =..m2
6 m2 =..hm2
53 km 8 m =..km
28 cm2 =..m2
15 m2 2 cm2 =..m2
1mm2= .......cm2
8mm2= ......cm2
19mm2= ......cm2
1dm2= .......m2
7dm2= .......m2
34dm2= .....m2
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