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

Toán Lớp 5: 15, 85 m2 = m2. 40kg= ta

Toán Lớp 5: 15, 85 m2 = m2. 40kg= ta

Comments ( 2 )

  1. 15, 85 dm2 = 15m2 85dm2
    40kg= 0,4 tạ
     

  2. $\text{1 m² = 100 dm²}$
    $\text{15,85 m² = 15 + 0,85 = 15 m² 85 dm²}$
    $\text{1 tạ = 100 kg}$
    $\text{40 kg = 40 : 100 = 0,4 tạ}$
    $\text{⇒ 40 kg = 0,4 tạ}$
    $\text{Xin hay nhất và 5 sao ạ}$

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