1,401km2 = .......1.401.000........m2
3,2 m2 = .......32000.....cm2
0,075hm2 = .............750..........m2
7,34 m = ........7.......m..........34....cm
3,6km =.............3600............m
3,12dm2 = ...........312.........cm2
213 m2 = ..............2,13.............dam2
12 m24cm2 = ..........12,04.........m2
4km2 5m2= ........40005.........ha 
2,34m2 = .............2........m2....34..dm2
Tích cho chị với nhee ;33

\(1,401km^2=1401000m^2\);  \(3,2m^2=32000cm^2\) ; \(0,075hm^2=750m^2\)

\(7,34m=7m34cm\) ;  \(3,6km=3600m\) ;  \(3,12dm^2=312cm^2\)

\(213m^2=2,13dam^2\) ;  \(12m^24cm^2=12,0004m^2\) ; \(4km^25m^2=400,0005ha\)

\(2,34m^2=2m^234dm^2\)

Sai thì thôi nhan

# Kukad'z Lee'z

THANK YOU VERY MUCH!

7.3m=73dm

34.34m=3434cm

8.02km=8020m

0.7km2=700ha

\(=50000cm^2\)

Đáp án/:

50000

a) 5 m²   = 5000 cm²  

4m²6dm²=4,06m²

7m²12cm²=70012cm²

7,8m²=7m²80dm²

10ha5dam²=10,05ha

6793dam³=67ha93dam²

11/100 ha =......m2             7/4 ha =.....m2

                   4/5 km2 = ......ha

   4 m² 6dm² = 4,06  m²       

 10 ha 5 dam² =  10,05 ha

       7 m² 12 c m²  =  70012cm²      

6783 dam² =67 ha 83 dam²

            7, 8 m² = 7 m²dm² sai sai sao ý

4 m² 6dm² = 4,06  m²       

 10 ha 5 dam² =  10,05 ha

       7 m² 12 c m²  =  70012cm²      

6783 dam² =67 ha 83 dam²

^{bổ sung thêm}

7,8 m2 = 7 m2 80 dm2

$a)$

$\circ 1m^2=100d{m}^2=10000c{m}^2=1000000m{m}^2$

GT: $1m^2=100d{m}^2$

$1d{m}^2=100c{m}^2$

$1c{m}^2=100m{m}^2$

$\circ 1ha=10000m^2$

$\circ 1k{m}^2=100ha=1000000m^2$

$b)$

$\circ 1m^2=0,01da{m}^2$

$\circ 1ha=0,01k{m}^2$

$\circ 1m^2=0,0001h{m}^2=0,0001ha$

GT: $h{m}^2=ha$

$\circ 4ha=0,04k{m}^2$

GT: $1ha=0,01k{m}^2$

$\circ 1m^2=0,000001k{m}^2$

a, 1m² = 100 dm² = 10000 cm² = 1000000 mmm²

   1ha = 10000 m² 

   1km² = 100 ha = 1000000m²

b, 1m² = \(\dfrac{1}{100}\) dam²

    1m² = \(\dfrac{1}{10000}\) hm² = \(\dfrac{1}{10000}\)ha

      1m² = \(\dfrac{1}{1000000}\)km²

         4ha = \(\dfrac{4}{100}\)km² = \(\dfrac{1}{25}\)km²

a) 3,5m = 350cm

b) 71004m² = 7ha10dam²4m²

c) 423kg = 0,423 tấn

d) 7,4ha = 74000m²

thanks bn

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