40 dam2 5m2 =......dam2
viết các số đo dưới dạng số đo có đơn vị là dam2
2dam2 16m2 =.....dam2 46dam2 5m2 =....dam2
3km2 4cm2 =........dam2 32dam2 9m2 =....dam2
8dam2 62m2 =.....dam2 16 dam2 29m2 =....dam2
52dam2 40m2 =.....dam2 13hm2 24dm2 =....dam2
\(2dam^216m^2=2,16dam^2\)
\(\)\(46dam^25m^2=46,95dam^2\)
\(3km^24cm^2=30000,0004dam^2\)
\(32dam^29m^2=32,09dam^2\)
\(8dam^262m^2=8,62dam^2\)
\(16dam^229m^2=16,29dam^2\)
\(52dam^240m^2=52,4dam^2\)
\(13hm^224dm^2=1300,0024dam^2\)
16m2 = 1.6dam2
46dam2 5m2 = 465m2
3km2 4cm2 = 30004dam2
32dam2 9m2 = 329.9dam2
8dam2 62m2 = 862m2
16 dam2 29m2 = 1629m2
52dam2 40m2 = 5240m2
13hm2 24dm2 = 1324dam2
1. Số?
a) 7km2 5m2 =......m2
b) 6434 dam2=.........m2
c) 6434 dam2=..........km2 ..............m2
7km2 5m2 =700000m2
6434 dam2=643400m2
6434 dam2=6km2 =434m2
14m2 12dm2 = dm2
7dam2 5m2 = m2
19hm2 27dam2 = dam2
7218m2 =....dam2 ........m2
16823m2 = .......hm2 ....... m2
405 dam2 = ..........hm2 ............dam2
7218m2 = 7dam2 218m2
16823m2 = 16hm2 823m2
405dam2 = 4hm2 5dam2
1 . 1412dm^2
2. 705 m^2
3. 1927 dam^2
4.72 dam^2 18 m^2
5. 168 hm^2 23 m^2
6. 4 hm^2 05dam^2
Viết số thích hợp vào chỗ chấm
3dam2=.........m2
15hm2=.......dam2
500m2=........dam2
7000dam2=......hm2
2dam2 90m2=.......m2
17dam2 5m2=.......m2
20hm2 34dam2=....dam2
892m2=.........dam2.......m2
3dam2 = 300 m2 2dam2 90m2= 290m2
15hm2 = 1500dam2 17dam225m2 =1705m2
500m2=5dam2 20hm2 34dam2=2034dam2
7000dam2=700 000m2 892m2 =8dam292m2
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
5m2 = .............................cm2;2km2 =.......................ha;2608m2=...................dam2......................m2;30000hm2=.................. ha
50000 cm2
200 hm2
26,08 dam2
30000 ha
chúc bạn học tốt
Bạn zoro roranoa làm đúng rồi đó bạn có điều 26,08 mấy là dm2 và m2
a/50000cm2 b/ 2km2= 200ha c/ 2608= 26 dam2 8m2 d/ 30000hm2=30000ha
2 dam2 5m2= dam2
1km2 5dam2 = km2
6hm2 7dam2 = hm2
18hm2 17m2 = hm2
Đáp án
1. 2,005
2. 1,00005
3. 6,007
4. 18,0017
~HT~
.a.7dam2.2m2 =m2.b.4cm2=m2.c.21dm2.4cm2=cm2.d.5m2=dam2
15dam2 5m2=..dam2
9tấn21kg=...tấn
21n12mm=....m
15dam2 5m2 =15,05dam2
9tấn21kg=9,021tấn
21m12mm=21,0012m
2dam2 90m2 = .... m2
17dam2 5m2 = ....m2
20hm2 34dam2 = ..... dam2
892 m2 = ..... dam2 .....m2
\(2dam^290m^2=290m^2\)
\(17dam^25m^2=1705m^2\)
\(20hm^234dam^2=2034dam^2\)
\(892m^2=8dam^292m^2\)
Viết số thích hợp vào chỗ trống:
20hm2 80dam2 | = | dam2 |
8dam2 59m2 | = | m2 |
15hm2 6022m2 | = | m2 |
a)
3dam² = 300 m²
15hm² = 1500dam²
500m²= 5dam²
7000dam² = 70hm²
b)
2dam² 90m² = 290m²
17dam² 5m² = 1705m²
20hm² 34dam² = 2034 dam²
892m² = 8dam² 92m²