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

Toán Lớp 1: 2459 m2 = =-. ha

Toán Lớp 1: 2459 m2 = …………….. ha

Comments ( 2 )

  1. 2459 m2 = 0,2459 ha

    (10000 m² = 1 ha ) 

  2. ha = hm^2

    1hm^2 = 10000 m^2

    Nên : 2459  m^2

    = 2459 : 10000

    = 0,2459  ha

     

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