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

Toán Lớp 6: thực hiện phép tính: 50 – [30 – (6 – 2) mũ 2]

Toán Lớp 6: thực hiện phép tính: 50 – [30 – (6 – 2) mũ 2]

Comments ( 2 )

  1.    50 – [30 – $(6 –2)^{2}$]
    = 50 – [30 –   $4^{2}$    ]
    = 50 – [ 30  –  16     ]
    = 50 –          14
    =         36
     

  2. 50 – [30 – (6-2)^2 ]
    =50 – [ 30 – 4^2 ]
    =50 – [ 30 -16]
    =50-14
    =36

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