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

Toán Lớp 6: 12² – [ 60 : ( 5⁶ : 5⁴ – 3 . 5) ]

Toán Lớp 6: 12² – [ 60 : ( 5⁶ : 5⁴ – 3 . 5) ]

Comments ( 2 )

  1. Giải đáp:
    12^2-[60:(5^6:5^4-3.5)]=138
    Lời giải và giải thích chi tiết:
    12^2-[60:(5^6:5^4-3.5)]
    =12^2-[60:(5^(6-4)-15)]
    =12^2-[60:(5^2-15)]
    =12^2-[60:(25-15)]
    =12^2-[60:10]
    =12^2-6
    =144-6
    =138

  2. $12^{2}$ – [ 60 : ( $5^{6}$ : $5^{4}$ – 3 . 5 ) ]
    = $12^{2}$ – [ 60 : ( 25 – 3 . 5 ) ]
    = $12^{2}$ – [ 60 : ( 25 – 15 ) ]
    = $12^{2}$ – [ 60 : 10 ]
    = $12^{2}$ – 6
    = 144 – 6
    = 138
    #Học tốt.

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