5040 m2

8 km2 4200 m2

= 5000040 m2

= 8 km2 4200 m2

5km2 40m2 = 5000040m2                                                                                        8004200=8km2 4200m2 

Trl :

3 m² = 300 dm²

10 m² = 1000 dm²

13 m² = 1300 dm²

100 dm² = 1 m²

200 dm² = 2 m²

3400 dm² = 34 m²

12 m² 234 dm² = 1434 dm²

12 m² 3 dm² = 1203 dm²

5634 dm² = 56 m² 34 dm²

2116 x 34

6004 cm2 = ...............dm2 .....................cm2

`5km^2 = 5xx1000000=5000000m^2`

`3/10m^2=3/10xx100=30 dm^2`

`2400 dm^2=2400xx1/100=24 m^2`

`6m^2 7dm^2= 6xx100+7=607 dm^2`

`5km^2 =  5000000   m^2`            `3/10m^2 = 30dm^2 `                    `2400dm^2 =24 m^2`                `6m^2 7dm^2 = 607dm^2`

5km2=5000000m2

3/10m2=30dm2

2400dm2=24m2

6m2

7dm2=7dm2

9 dam2 = 900m2

18m2= 1800dm2

17km2 = 170000 dam2

5m2 7dm2= 50700cm2

4km2 107dam2= 40107dam2

2/5km2= 400000 m2

480000cm2= 48m2

1800000mm2= 180 dm2

9000000m2= 9 km2

46000cm2= 4 m2 60 dm2

907000dam2= 90 km2 7000 dam2

3 4/5km2= 3 km2 8 hm2

9 dam2 = 900m2

18m2= 1800dm2

17km2 = 170000 dam2

5m2 7dm2= 50700cm2

4km2 107dam2= 40107dam2

2/5km2= 400000 m2

480000cm2= 48m2

1800000mm2= 180 dm2

9000000m2= 9 km2

46000cm2= 4 m2 60 dm2

907000dam2= 90 km2 7000 dam2

3 4/5km2= 3 km2 8 hm2

7 tạ 16kg=716kg

\(\dfrac{1}{5}\)km²=200000m²

7 tạ 16kg =716 kg

1/5 km²=200000 m²

7tạ 16kg = 716kg

1/5 km2 =  200 000 m2

5 square kilometers =
5 000 000 square meters

5 000 000 m2

anh trả lời là gì đấy Phan Nguyễn Tuấn Anh

a)5km2 126m2=...5000126....m2

b)125000000m2=...125..km2

\(a,5km^2126m^2=5\times1000000+126=5000000+126=5000126m^2\\ b,125000000m^2=125000000:1000000=125km^2\)

12m²9cm²= 12,0009 m²

6,75 tấn= 6750 kg

123,5 ha= 123ha 5000 m²

12m²9cm²=12,0009m²

6,75 tấn=6750kg

123,5ha=123ha5000m2

12m29cm2= 12,0009 m2

6,75 tấn= 6750 kg

123,5 ha= 123ha 5000 m2