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

Toán Lớp 6: 2.[(7 – 3 mũ 3: 3 mũ 2) : 2 mũ 2 + 99] – 100

Toán Lớp 6: 2.[(7 – 3 mũ 3: 3 mũ 2) : 2 mũ 2 + 99] – 100

Comments ( 2 )

  1. $2.[(7 – 3^3: 3^2) : 2^2 + 99] – 100$
    $= 2.[( 7 – 27 : 9 ) : 2^2 + 99] – 100$
    $= 2.[( 7 – 3 ) : 2^2 + 99] – 100$
    $= 2.[ 4 : 4 + 99] – 100$
    $= 2.[ 1 + 99] – 100$
    $= 2. 100 – 100$
    $= 200 – 100$
    $= 100$
    Mong được câu trả lời hay nhất
     

  2. $khunguoigioi$
    2.[(7 – 3^3: 3^ 2) : 2^2 + 99] – 100
    =2.[(      7-3      ) :  2^2 +99 ] -100
    =2.[      4         : 2^2 +99]   -100
    = 2.[       4     :      4   +99] -100
    = 2.[             1         + 99] -100
    = 2.       100   -100
    =200        –  100
    = 100
     

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

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