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

Toán Lớp 5: 31250M2=BAO NHIÊU HA VẬY ANH CHỊ

Toán Lớp 5: 31250M2=BAO NHIÊU HA VẬY ANH CHỊ

Comments ( 2 )

  1. 31250 m^2 = 3,125 ha
    Do
    1 ha = 10000 m^2
    1 m^2 = 0,0001 ha

  2. $\text{Vì 1m²=0,001ha}$
    $\text{⇒31250m²=3,125 ha}$

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