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

Toán Lớp 5: 1576m=…km 4m2 15dm2=…m2 17 865m2=…ha 6m2 6dm2=…m2 154dm2=-m2

Toán Lớp 5: 1576m=…km
4m2 15dm2=…m2
17 865m2=…ha
6m2 6dm2=…m2
154dm2=….m2

Comments ( 2 )

  1. Giải đáp:
    1576 m = 1,576 km
    4 m² 15 dm² = 4,15
    17 865 m² = 1,7865 ha
    6 m² 6 dm² = 6,06
    154 dm²= 1,54

  2. 1576m=1,576 km ( 1km = 1000 m)
    4m2 15dm2=4,15 m2
    17 865m2= 0, 0017865 ha
    6m2 6dm2= 6,06 m2
    154dm2= 1,54 m2 ( 1m^2 = 100 dm^2)
     

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