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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 3: 1km = …hm 1m = …dm 1km =…m 1 m =…cm 1 hm =…dam 1 m = …mm 1hm =…m 1 dm =…cm 1 dam =…m 1 cm =…mm.

Toán Lớp 3: 1km = …hm
1m = …dm
1km =…m
1 m =…cm
1 hm =…dam
1 m = …mm
1hm =…m
1 dm =…cm
1 dam =…m
1 cm =…mm.

Comments ( 2 )

  1. -1km=10hm
    -1m=10dm
    -1km=1000m 
    -1m=100cm
    -1hm=10dm
    -1m=1000mm
    -1hm=100m
    -1dm=10cm
    -1dam=10m
    -1cm=10mm

  2. 1 km = 10 hm
    1 m = 10 dm
    1 km = 1 000 m
    1 m = 100 cm
    1 hm = 10 dam
    1 m = 1000 mm
    1 hm = 100 m
    1 dm = 10 cm
    1 dam = 10 m
    1 cm = 10 mm

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222-9+11+12:2*14+14 = ? ( )