viết các số do sau dưới dạng số do có đơn vị là đề - ca - mét vuông
7 dam2 28m2 = .............................................
95 dam2 50 m2= ...........................................
68 dam2 7m2 = ..............................................
Viết các số đo sau dưới dạng số đo có đơn vị là đề - ca - mét vuông:
7 dam2 28m2 = ..................................................................................
95 dam2 50m2 = ................................................................................
68 dam2 7m2 = ..................................................................................
a) 7,28dam2
b) 95,5 dam2
c) 68,07 dam2
7 dam2 28m2 = ....................................7,28dam2..............................................
95 dam2 50m2 = ..................................95,5 dam2..............................................
68 dam2 7m2 = ...................................................68,07 dam2...............................
Viết các số đo dưới dạng số đo có đơn vị là đề-ca-mét vuông (theo mẫu):
Mẫu:
8
d
a
m
2
33
m
2
=
8
d
a
m
2
33
100
m
2
=
8
33
100
d
a
m
2
67
d
a
m
2
51
m
2
=
…
…
…
…
…
…
…
…
…
…
…
…
…
…
…
…
…
…
…
…
.
82
d
a
m
2
7
m
2
=
…
…
…
…
…
…
…
…
…
…
…
…
…
…
…
…
…
…
…
…
…
67 dam2 51m2 = 67 dam2 + m2 =
dam2
82 dam2 7m2 = 82dam2 + m2 =
dam2
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U
viết các số đo sau dưới dạng số dó có đơn vị là mét vuông
a) 1,2075 km 2 =.........m2 b) 0,452 hm2 = .........m2
c) 12,075 ha=.........m2 d) 10,241 dam2 = ........m2
a) 1,2075 km2=1207500 m2 b) 0,452 hm2 = 4520 m2
c) 12,075 ha = 120750 m2 d) 10,241 dam2=1024,1 m2
a) 1,2075 km2 = 1207500 m2 b) 0,452 hm2 = 4520 m2
c) 12,075 ha = 120750 m2 d) 10,241 dam2 = 1024,1 m2
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
viết số đo sau dưới dạng số đo có đơn vị là hecta: 65000 m2, 9,2 km2
(1ha = 1hm2 = 10000 m2 , 1a = 1 dam2 = 100 m2 = 0,01 ha)
1, viết các số đo sau dưới dạng số đo có đơn vị là m2
a) 34dm2=....
5290cm2=.....
4ha=.....
b) 3.2 dam2=......
0.5km2=......
0.15 ha=.....
a) 34dm2 = 0,34m2
5290cm2 = 0,529m2
4ha = 40000m2
b) 3,2dam2 = 320m2
0,5km2 = 500000m2
0,15ha = 1500m2
a, 34dm2 = 0.34m2
5290cm2 = 0.529m2
4ha = 40 000m2
b, 3.2dam2 = 0.032m2
0.5km2 = 0.005m2
0.15ha = 1500m2
Biểu thị các số sau đây dưới dạng phân số với đơn vị là:
a) Ki-lô-mét: 7hm; 13dam; 207m;
b) Ki-lô-mét vuông: 72 h m 2 ; 1073 d a m 2
a ) 7 10 ; 13 100 ; 207 1000 b ) 72 100 ; 1073 10000
Viết các số đo sau dưới dạng số đo có đơn vị là đề - ca - mét vuông
7dam2 28m2 = ............
TL ;
7 dam2 28 m2 = 7,28 dam2
HT
Trl:
7dam2 28m2 = 7,28dam2
HT
3km2 7km2 =..............................km2
2dam2 59dm2= ........................dam2
3hm2 6m2=....................m2
15m2 26cm2=................m2
7m2 205cm2=..................m2
Mấy đơn vị đo có số 2 sau cùng là mét vuông nha,ai làm đúng tick 3 cái liền
3km2 7km2 =10 km2
2dam2 59dm2= 2,0059dam2
3hm2 6m2=30006 m2
15m2 26cm2=15,0026 m2
7m2 205cm2=7,0205 m2