\(1m^2=100dm^2\)

\(630dm^2=63000cm^2\)

\(1km^2=1000000m^2\)

\(50000000m^2=50km^2\)

\(15km^2=15000000m^2\)

\(7km^2=7000000m^2\)

1m2 = 100dm2 = 10000cm2= 1000000mm2

1ha = 10000m2

1km2 = 100ha = 1000000m2

1 c m 2   =   1 100 d m 2 8 c m 2   =   8 100 d m 2 27 c m 2   =   27 100 d m 2

7 c m 2   =   700 m m 2         1 m 2   =   10   000   c m 2

30 k m 2   =   3000 h m 2         9 m 2   =   90   000 c m 2

1 h m 2   =   10   000 m 2         80 c m 220 m m 2   =   8020 m m 2

8 h m 2   =   80   000 m 2         19 m 2 4 d m 2   =   1904 d m 2

5cm2 = 500mm2

12km2 = 1200hm2

1hm2 = 10000m2

7hm2 = 70000m2

1m2 = 1000cm2

5m2 = 50000cm2

a) 2 m² = 200 dm²                    b) 1 m² = 10000 cm²

c) 1 km² = 1000000 m²             d) 36 dm² = 3600 cm²

e) 508 dm² = 50800 cm²           g) 3100 cm² = 31 dm²

h) 2007 cm² = 20 dm² 7 cm²     k) 6 dm² = 600 cm²

a.2m²=200dm²

b.1m2=10000cm²

c.1km²=1000000m²

d.36dm²=3600cm²

e.508dm²=50800cm²

g.3100cm²=31dm²

h.2007cm²=20dm²7cm²

k.6dm²=600cm²

a)1km2=.....1 000 000.....m2                                                c)1m2=.....100.....dm2=....10 000......cm2

b)1hm2=.....10 000.....m2                                                d)1cm2=.....100.....mm2

26 m² = 0,26 dam²

17 cm² = 1700 mm²

2100 mm² = 21 cm²

37 dam² 9 m² = 3709 m²

15 m² = 15 000 cm²

7 km² 5 hm² = 70 005 dam²

2 m² 12 cm² = 20 012 cm²

26 m² = 0,26 dam²

17 cm² = 1.700 mm²

2.100 mm² = 21 cm²

37 dam² 9 m² = 3.709 m²

15 m² = 150.000 cm²

7 km² 5 hm² = 70.500dam²

2 m² 12 cm² = 20.012 cm²

Chúc bạn học tốt.

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26 m2 = \(\frac{26}{100}\) dam2 

17 cm2 = 1700 mm2

2100 mm2 = 21 cm2 

37 dam 29 m2 = 3729 m2  

15 m2  = 150 000 cm2 

7 km2  5 hm2 = 70 500 m2   

2 m2 12 cm2 = 20 012 cm2 

Chúc bạ học tốt nha 

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