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![](https://rs.olm.vn/images/avt/0.png?1311)
1km = 10hm 1mm=0,1cm
1hm=10dam 1dm = 0,1m
1dam=10m 1cm= 0,01m
1km=1000m 1mm=0,001m
A) 1km = 10hm
1hm = 10dam
1dam = 10m
1km = 1000m
B) 1mm = 0,1cm
1dm=0,1m
1cm=0,01m
1mm=0,001m
![](https://rs.olm.vn/images/avt/0.png?1311)
a, 1km =...10....hm b, 1mm=....0,1...cm
1hm=...10....dam 1dm=....0,1....m
1dam=...10....m 1cm=...0,01....m
1km=...1000.....m 1mm=....0,001...m
![](https://rs.olm.vn/images/avt/0.png?1311)
1cm = 1/100m
1dm = 1/10m
1mm =1/1000.m
1dam =10m
1hm =100m
1km = 1000m
1cm2 =1/10000m2
1dm2 = 1/100m2
1mm2 =1/1000000m2
1dam2 = 100m2
1hm2 = 10000m2
1km2 = .1/1000000m2
![](https://rs.olm.vn/images/avt/0.png?1311)
25m= 250dm
125dm=1250cm
200cm=2000
1mm=0,1cm
1cm=0,1dm
1dm=0,1m
![](https://rs.olm.vn/images/avt/0.png?1311)
1 dam=10m
1km=1000m
1mm=0,1cm
1dm=0,1m
1cm=0,01m
148m=1480dm
630cm=63dm
531dm=5310cm
92cm=920mm
7000m=7km
8500cm=85m
89dam=890m
76hm=760dam
247km=2470hm
67000mm=67m
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1 km = 10 hm
1 hm = 10 dam
1 dam = 10 m
1 km = 1000 m
1 mm = 0,1 cm
1 dm = 0,1 m
1 cm = 0,01 m
1 mm = 0,001 m
1km=10hm
1hm=10dam
1dam=10m
1km=1000m
1mm=0,1cm
1dm=0,1m
1cm=0,01m
1mm=0,001m