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

Toán Lớp 5: 5cm2 7mm2 = … mm2, 5,08m = …………cm,

Toán Lớp 5: 5cm2 7mm2 = … mm2, 5,08m = …………cm,

Comments ( 2 )

  1. 5cm^2 7mm^2 = 500mm^2 + 7mm^2 =507mm^2
    5,08 m = 508cm
    NL: 1m^2 = 100cm^2
          1m = 100cm
     

  2. 5cm^2 7mm^2=507mm^2
    5,08m=508cm
    @1cm^2=100mm^2
    @1m=100cm
     

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

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