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

Toán Lớp 4: 1997cm vuông = -.. dm vuông

Toán Lớp 4: 1997cm vuông = …… dm vuông

Comments ( 2 )

  1. Ta có : 100 cm^2 = 1 dm^2
    => 1997cm^2 =  19,97 dm^2  

  2. 19,97 dm vuông
    Chúc bạn học tốt.????????????????

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

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