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67 dam2 51m2 = 67 dam2 + 
m2 = 
dam2
82 dam2 7m2 = 82dam2 + 
m2 = 
dam2
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U
a: \(6m^226dm^2=6.26m^2\)
\(8m^212m^2=20m^2\)
\(7m^28dm^2=7.08m^2\)
\(6m^229dm^2=6.29m^2\)
\(53dm^2=0.53m^2\)
a ) 12 h a = 120 000 m 2 5 k m 2 = 5 000 000 m 2 b ) 2500 d m 2 = 25 m 2 90 000 d m 2 = 900 m 2 c ) 8 m 2 26 d m 2 = 8 26 100 m 2 45 d m 2 = 45 100 m 2 d ) 20 m 2 4 d m 2 = 20 4 100 m 2 7 m 2 7 d m 2 = 7 7 100 m 2
1. 2m5dm=2,5m
7m4cm=7,04m
18m27cm=18,27m
8cm=0,08m
49dm=4,9m
2. 9dm8cm=9,8dm
5dm48mm=5,48dm
78mm=0,78dm
2mm=0,02dm
7m=70dm
3. 1km127m=1,127km
45m=0,045km
5km6m=5,006km
2m7cm=2,07m=0,00207km
72cm=0,00072km
4. 8,77hm=87,7dam
5,2km=0,052dam
300m=30dam
8m=0,8dam
100m=10dam
#Hoctot