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

Toán Lớp 5: 60000mm2=…m2 25km2=-.m2 54000dm2=–..m2 70000cm2==..m2

Toán Lớp 5: 60000mm2=…m2
25km2=…..m2
54000dm2=……….m2
70000cm2=…………..m2

Comments ( 2 )

  1. Giải đáp:
    $60000mm^2=0,06m^2$
    $25km^2=25000000m^2$
    $54000dm^2=540m^2$
    $70000cm^2=7m^2$
    Lời giải và giải thích chi tiết:
    $1m^2=1000000mm^2$
    $1km^2=1000000m^2$
    $1m^2=100dm^2$
    $1m^2=10000cm^2$
     

  2. $\textit{6000mm²=0,06m²}$
    $\textit{25km²=25000000m²}$
    $\textit{54000dm²=540m²}$
    $\textit{70000cm²=7m²}$

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

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