a. 4m2=...cm2 16m2=...dm2 308dm2=...cm2 1/2m2=...dm2 1/2dm2=...cm2 1/100m2=...cm2 700cm2=...dm2 3400dm2=...m2 50000cm2=...m2 15m2 9dm2=...dm2 7dm2 25cm2=...cm2 28m2 50cm2=...cm2 948dm2=...m2....dm2 705cm2=....dm2....cm2 8791dm2=...m2....dm2 30045cm2=....m2... 1m2=100dm2 1km2=1000000m2 1m2=10000cm2 1dm2=100cm2

Trả lời:

a. 4m2=..40000.cm2

16m2=.1600..dm2

308dm2=.30800..cm2

1/2m2=.50..dm2

1/2dm2=50...cm2

1/100m2=100 ...cm2

700cm2=.7..dm2

3400dm2=34...m2

50000cm2=5...m2

15m2 9dm2=.1509..dm2

7dm2 25cm2=..725.cm2

28m2 50cm2=..280050.cm2

948dm2=..9.m2..48..dm2

705cm2=.7...dm2..5..cm2

8791dm2=..87.m2..91..dm2

30045cm2=.3...m2..45 cm2

1m2=100dm2

1km2=1000000m2

1m2=10000cm2

1dm2=100cm2