1km2 5dm2=......dm2
5dm2 18cm2= cm2
1m2 38dm2= dm2
16m2 = cm2
1km2 = m2
12km2 376m2= m2
5dm2 18cm2 = 518cm2
1m2 38dm2 = 138dm2
16m2 = 160000cm2
1km2 = 1000000m2
12km2 376m2 = 12000376m2
Học tốt!
1dm2=................m2
1km2=....................m2
1cm2=...................m2
1dm2=......................cm2
3km2=......................m2
1500cm2=....................dm2
3m2 20cm2=...................cm2
25m2=........................ddm2
20 000cm2=..............................m2
12m2 5dm2==.................................đm2
1 dm2 = 0,01 m2
1 km2 = 1000000 m2
1 cm2 = 0,0001 m2
1 dm2 = 100 cm2
3 km2 = 3000000 m2
1500 cm2 = 15 dm2
3 m2 20 cm2 = 30020 cm2
25 m2 = 2500 dm2
20 000 cm2 = 2 m2
12 m2 5 dm2 = 1205 dm2
0,01 m2
1000000 m2
0,0001 m2
100 cm2
3000000 m2
15 cm2
30020 cm2
2500 dm2
2 m2
1205 dm2
tk mk nha các bạn
chúc bạn học tốt nha
1dm2=0.01m2
1km2=1000m2
1cm2=0.0001
1dm2=100cm2
3km2=3000000m2
25m2=2500dm2
20 000cm2=2m2
12m2 5dm2=1205dm2
1km2 = ………….…m2 d. 36 dm2 =………….…..cm2
1km2 = 1 000 000m2
36dm2 = 3600cm2
5dm2 = ….. cm2
300cm2 = …..dm2
7 dm25cm2 = ……cm2
9015cm2 = ….dm2….cm2
5dm2 =500 cm2
300cm2 =3dm2
7 dm25cm2 = 705cm2
9015cm2 = 90dm215cm2
\(5dm^2=500cm^2\)
\(300cm^2=3dm^2\)
1km2 = ...m2
50000 cm2 = ... m2
1km2 305m2 = ...m2
3/10 m2 = ...dm2
Nhanh giúp em với ạ.T-T
1km2 = 1000000 m2
50000 cm2 = 5 m2
1km2 305 m2 = 1000305 m2
3/ 10 m2 =30 dm2
k cho mình nha bn
20m2 5dm2=...dm2
3m2 21dm2=....dm2
1km2 500000m2=....m2
2km2 345m2=.....m2
3m2 21dm2=...321....dm2
1km2 500000m2=.....1500000..m2
2km2 345m2=....2000345......m2
3m2 21dm2=321dm2
1km2 500000m2=1 500 000m2
2km2 345m2=2 000 345m2
`3m^2 21dm^2 = 3xx100 + 21=321dm^2`
`1km^2 5500000m^2 = 1xx1000000 + 500000 = 1500000 m^2`
` 2km^2 345m^2 = 2xx1000000 + 345 = 2000345 m^2`
Viết số thích hợp vào ô trống:
a)
5dm2 = ….. cm2
300cm2 = …..dm2
7dm25cm2 = ……cm2
915cm2 = ….dm2….cm2
b)
23m2 = ….. dm2
600dm2 = …..m2
13m25dm2 = ……dm2
306m2 = ….m2….dm2
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.