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

Toán Lớp 5: 1m2 =-…dam2 3m2=-…dam2 45m2=-..dam2 1mm2=-…cm2 4mm2=-..cm2 34mm2=…cm2 1dam2=-hm2 72dam2=-..hm2 28dam2=…

Toán Lớp 5: 1m2 =…….dam2
3m2=…….dam2
45m2=……dam2
1mm2=…….cm2
4mm2=……cm2
34mm2=…cm2
1dam2=….hm2
72dam2=……hm2
28dam2=……hm2
1dm2=……m2
5dm2=….m2
15dm2=……m2

Comments ( 2 )

  1. Giải đáp:
    1m2=1/100dam2                            1dam2=1/000000hm2
    3m2=3/100dam2                             72dam2=72/1000000hm2
    45m2=45/100dam2                         28dam2=28/ 1000000hm2      
    1mm2=1/100cm2                             1dm2=1/100m2
    4mm2=4/100dam2                           5dm2=5/100m2   
    34mm2=34/100cm2                          15dm2=15/100m2
    vote tớ 5 sao nhé
     

  2. Giải đáp+Lời giải và giải thích chi tiết:
    $1m^2 =….0,01…dam^2$
     Vì 1 dam = 100 $m^2$
    $3m^2=…0,03….dam^2$
    $45m^2=….0,45..dam^2$
    $1mm^2=…..0,01..cm^2$
        Vì 1 $cm^2$ = 100 $mm^2$
    $4mm^2=..0,04….cm^2$
    $34mm^2=.0,34..cm^2$
    $1dam^2=..0,01..hm^2$
      Vì 1 $hm^2$ = 100 $dam^2$
    $72dam^2=..0,72….hm^2$
    $28dam^2=….0,28..hm^2$
    $1dm^2=…0,01…m^2$
       Vì 1 $m^2$ = 100 $dm^2$
    $5dm^2=..0,05..m^2$
    $15dm^2=…0,15…m^2$
     
     

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