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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
1km = 10 hm
1m = 10 dm
1km =1000 m
1 m =100 cm
1 hm =10 dam
1 m = 1000 mm
1hm =100 m
1 dm =10 cm
1 dam =10 m
1 cm =10 mm.
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
1km = 1000m 1m = 1000mm
1hm = 100m 1m = 100cm
1dam = 10m 1m = 10dm
1km = 10hm 1dm = 100mm
1hm = 10dam 1cm = 10mm
![](https://rs.olm.vn/images/avt/0.png?1311)
1 hm = 10 dam
1 km = 1000 m
1 hm = 100 m
10 m = 1 dam
100 m = 1 hm
10 cm = 1 dm
![](https://rs.olm.vn/images/avt/0.png?1311)
\(1km^2=100ha\) \(1ha=10000m^2\)
\(7hm^2=70000m^2\)
\(Tk\)\(mk\)\(nha!!!!!\)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\(Thanks\)~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
![](https://rs.olm.vn/images/avt/0.png?1311)
Tính nhẩm
5 hm = ..500.. m 3 m = ..... mm 9 km = .90.... hm 1 cm = ..... mm 6 dm = ..60... cm
70 hm = ...7... km 500 cm = ....m 4 dam = ..40.... m 8000 mm = .8...m 1km = ..100.. dam
Viết bảng đơn vị đo :
a) km - hm - dam - m - dm - cm - mm
b) mm - cm - dm - m - dam - hm - km
![](https://rs.olm.vn/images/avt/0.png?1311)
1mm = 0,1 cm
1m = 0,001
1 cm = 0,1 dm
1dm = 0,1 m
1dam = 0,1 hm
1km = 10 hm
1mm = 0,1cm
1dm = 0,1m
1m = 0,001km
1dam = 0,1hm
1cm = 0,1dm
1km = 10hm
1km=10hm
TL:
1 KM= 10 HM
HT