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

Toán Lớp 5: 9m vuông 8 dm vuông = bao nhiêu dm vuông

Toán Lớp 5: 9m vuông 8 dm vuông = bao nhiêu dm vuông

Comments ( 2 )

  1. 9m^2 8dm^2=…dm^2

    Ta có:

    9m^2=(9xx100)dm^2=900dm^2

    =>9m^2 8dm^2=(900+8)dm^2=908dm^2

    Vậy 9m^2 8dm^2=908dm^2

  2. 9m² 8dm² = 908dm²

    Vì 1m² = 100dm² nên 100 xx 9 + 8 = 908dm²

     

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