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

Toán Lớp 4: 400 kg =- tạ 2m² 51dm² =-. dm²

Toán Lớp 4: 400 kg =…. tạ
2m² 51dm² =….. dm²

Comments ( 2 )

  1. 400kg = 4 tạ 
    Vì 100kg =1 tạ  
    2m^2 51dm^2 = 251dm^2 
    Vì 1m^2=100dm^2
     

  2. 400 kg = 4tạ
    2m² 51dm² = 251 dm²
    ______ MIK GỬI BẠN NHA _____

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