5km2 = m2
5km2 40m2 =........................m2 8004200=........................km2........................m2 giúp mình nhé
5km2 40m2 = 5000040m2 8004200=8km2 4200m2
5km2 = m2 3/10m2 = dm2 2400dm2 = m2 6m2 7dm2 = dm2
`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
5km2 12m2 = ...................... m2
9 dam2 = ........m2
18m2=......dm2
17km2 = ......dam2
5m2 7dm2=.......cm2
4km2 107dam2=.....dam2
2/5km2=....m2
480000cm2=.........m2
1800000mm2=.......dm2
9000000m2=.......km2
46000cm2=......m2........dm2
907000dam2=....km2......dam2
3 4/5km2=......km2......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
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=......kg 1/5km2=.......m2
7 tạ 16kg=716kg
\(\dfrac{1}{5}\)km2=200000m2
7 tạ 16kg =716 kg
1/5 km²=200000 m²
a)5km2 126m2=.............m2 b)125000000m2=..............km2
a)5km2 126m2=...5000126....m2
b)125000000m2=...125..km2
\(a,5km^2126m^2=5\times1000000+126=5000000+126=5000126m^2\\ b,125000000m^2=125000000:1000000=125km^2\)
Viết số thích hợp vào chỗ chấm :
1km2 =...m2
1m2 =....dm2
32m2 49dm2 =....dm2
1000000 m2 =....km2;
5km2 =....m2
2000000m2 =...km2.
1km2 = 1000000m2
1m2 = 100dm2
32m2 49dm2 = 3249dm2
1000000 m2 = 1km2;
5km2 = 5000000m2
2000000m2 = 2km2.
Viết tiếp vào chỗ chấm cho thích hợp:
5 k m 2 = . . . . . . m 2
Hướng dẫn giải:
5 k m 2 = 5000000 m 2 .