2608m2 = 26    dam2 =    8 m2

30000hm2=  30000  ha

8dm2 9cm 2 = 809   cm2

2m5dm =  2,5   m

12m26dm2=  12,26  m2

9km2 72 m2 =  9,000072 km2

25dam2=  0,25 m2

0,67km

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670 m= 0,67 km

9 km² 54 hm²= 9,54 km²

17 hm² 8 dam² = 17, 08 ha

0,79 m² = 79 dm²

 #hoktot<3# 

19hm²  5dam²  =  19,05ha

528 kg  =  0,528 tấn

MÌNH CHÚC BẠN HỌC TỐT NHA!!!

19 hm² 5 dam² = 19,05 ha

528 kg = 0,528 tấn

12m2 8dm2=12,08 m2

9km2 17hm2=9,17 km2

10m2 10dm2=10,1m2

4352m2=0,4352 km2

4m² 8dm² = 4,08m²

9km² 72m² = 9,072m²

a) 4 m^2 8 dm^2 = 4,08 m^2

b) 9 km^2 72 m^2 = 9,0072 km^2

\(=4,0072\)

\(2h8dm^2< 280dam^2\)

\(8ha15m^2< 80150m^2\)

\(7\dfrac{1}{2}ha>7ha12dam^2\)

\(9km^25ha=905ha\)

\(7\dfrac{33}{100}ha>6ha3dam^2\)

\(4km^27ha< 4\dfrac{7}{10}km^2\)

Sai vì: 7ha= 70000m² > 7000m²

Chưa đủ

Đúng vì: 9km²= 900 ha < 9000 ha

Sai vì: 6000ha=60km² > 6km²

Sai vì:6000ha=60km²> 6km²

\(7ha=10000m^2>7000m^2\left(đúng\right)\)

\(8km^243dam^2=8004300m^2>1ha=10000m^2\left(sai\right)\)

\(9km^2=9000000m^2< 9000ha=90000000m^2\left(đúng\right)\)

\(6000ha=60000000m^2>6km^2=6000000m^2\left(sai\right)\)

\(6000ha=60000000>6km^2=6000000m^2\left(sai\right)\)

1.210068

2.90058

3.30029

4.138

5.40