280mm

3120dm

30m

 0,75dam

1050cm

15000m

45hm

18km

725cm

1m65dm

5058m

2km80m

28 cm = 280 mm

312 m = 312 dm

3000 cm = 30 m

730 cm = \(\frac{730}{1000}\)dam

105 dm = 1050 cm

15 km = 15000 m

4500 m = 45 hm

18000 m = 18 km

7 m 25 cm = 725 cm

165 dm =16 \(\frac{5}{10}\)m

6017 dm=.......601,7.......m=...60,17..........dam.

0,45 dam=.....0,045........km=......45.......m.

62,64 m=......0,6264........hm=......0,06264........km.

79,734mm=.....0,79734.........m=.....0,00079734........km.

50000 km=.....5000000......dam=.......5000000000.......cm.

0,00008 m=......0,0000008.......hm=.....0,08........mm.

6017dm=601,7m=60,17dam

0,45dam=0,0045km=4,5m

62,64m=0,6264hm=0,06264km

79,734mm=0,079734m=0,000079734

50000km=5000000dam=50000000000cm

0,00008m=0,0000008hm=0,08mm

chuc bạn hoc tot!

Cái gì thế này???

125m = 1250dm

27cm = 270mm

7600m = 760dam

3000m = 30hm

17 yến 1kg = 17,1 yến

400kg = 4 tạ

5kg 4g = 5,004kg

12m 42cm = 1242cm

4kg 247g = 4247g

4kg 20g = 4020g

41 tấn = 41000kg

12m = 0,12hm

600m = 6hm

9m = 0,9dam

93m = 0,93hm

3kg 7g = 0,3007 yến

7kg 8dag = 7080g

3264g = 3kg 264g

1845kg = 1 tấn 845kg

9575g  = 9kg 575g

15 tạ 4 yến = 1540kg

3hg 4dag = 340g

5 tạ 4 yến = 540kg

462 dam = .......m .......dam => 462dam = 4620m

4650m² = .......hm² .......dm² => 4650m² = 465000dm²

24m² = 2400dm²

1m² 24m² = 250000cm²

1372cm = 13m 72cm

4037m = 4km 37m

7kg = .....m => 7kg = 7000g

3000kg = 30 tạ

7hm² = ....2m² => 7hm² = 70000m²

27dam² = 2700m²

4km² = 40000dam²

8m² = dag² => 8m² = 0,08dam²

123m² = 0,0123hm²

2dam² 12m² = 2,12dam²

5m² 24dag² = ......hm² => 24dam² 5m² = 0,2405hm²

7dag² 26m² = .....dag² => 7dam² 26m² = 7,26dam²

9hm² 45dag² = .....hm² => 9hm² 45dam² = 9,45hm²

148m = 1480 dm    89dam = 890m

531dm =5310cm     76hm =760dam

92cm = 920mm     247km = 2470hm

3mm=0.3cm

2hm=0.2km

8dm=0.8m

5mm=0.005

5cm=0.5m

13m=0.13m

2731cm=27m31cm

4005mm=40dm5mm

3mm = 3/10cm = 0, 3cm

2hm = 2/10km = 0, 2km

8dm = 8/10m = 0, 8m

5mm = 5/1000m = 0, 005m

5cm = 5/100m = 0, 05m

13m = 13/100hm = 0, 13hm

3cm 1mm = 31/1000m = 0, 031m

13 013m = 13km 13m

2731cm = 27m 31cm

4005mm = 40dm 5mm

1 dm2 50 cm2

4 m2 23 dm2

7 cm2 9mm2

20 dam2 10 m2

45 hm2 67 dam2 40,9 cm2

80 dam2 700 m2

chúc bạn học tốt

150cm² = 1dm² 50cm²

423dm² = 4m² 23dm²

709mm² = 7cm² 9mm²

2010m² = 20dam² 10m²

4,567409km² = 456,7409hm² = 45674,09dam² = 4567409cm²

8,07ha = 807dam² = 80700m²

1 dm² 23 cm² = 123 cm²

2 m² 4 dm² = 204 dm²

30 mm² 5 dm² = 5,003 dm²

30 dam² 10 m² = 10,3 m²

20 ha 6 dam² = 2006 dam²

40 km² 2 ha = 4002 ha

1 dm2 23 cm2 = 123 cm2

2 m2 4 dm2 = 204 dm2

30 mm2 5 dm2 = 5,003 dm2

30 dam2 10 m2 = 10,3 m2 

20 hm2 6 dam2 = 2006 dam2

40 km2 2 hm2 = 4002 hm2

A) 148m= 1480dm

531dm= 5310cm

92cm= 920mm

B) 7000m= \(\frac{7000}{1000}\)km

8500cm= \(\frac{8500}{100}\)m

89dam=890m

76hm=760dam

247km= 2470hm

630cm=63dm

67000mm=67m

tk nhé

148m=1480dm

531dm=5310cm

92cm=920mm

7000m=7km

8500cm=85m

89dam=890m

76hm=760dam

247km=2470hm

630cm=63dm

67000mm=67m