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

Toán Lớp 4: 5dm2=…50cm2 25cm2=–2dm2 450dm2=…4m250d2 điền dấu<>=

Toán Lớp 4: 5dm2……………50cm2 25cm2………………..2dm2 450dm2……………4m250d2 điền dấu<>=

Comments ( 2 )

  1. – 5dm^2>50cm^2
    – 25cm^2<2dm^2
    – 450dm^2>4m^2
    Giải thích:
    1dm^2=100cm^2
     

  2. Ta có :
    5dm^2 = 500cm^2 ⇒ 5dm^2 > 50cm^2
    25cm^2 = 0,25dm^2 ⇒ 25cm^2 < 2dm^2
    450dm^2 = 4m^2 50 cm^2 ⇒ 450dm^2 = 4m^2 50cm^2
    \text{@Jinz}
     

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

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