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

Toán Lớp 5: 12,44m =-.m-.cm 7,4dm =-.dm-.cm 3,45km =-.m 34,3km =-.m

Toán Lớp 5: 12,44m =…..m…..cm 7,4dm =…..dm…..cm
3,45km =…..m 34,3km =…..m

Comments ( 2 )

  1. 12,44 m = 12 m 44 cm
    7,4 dm = 7 dm 4 cm
    3,45 km = 3450 m
    34,3 km = 34300 m
     

  2. 12,44m = 12m44cm
    7,4dm = 7dm4cm
    3,45km = 3450m
    34,5km = 34500m
    Ta có : 1km = 1000m
              1m = 10dm = 10cm
     

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

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