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

Toán Lớp 6: 20 – [ 30 – (5 -1)2] giúp mình với mn

Toán Lớp 6: 20 – [ 30 – (5 -1)2]
giúp mình với mn

Comments ( 2 )

  1. Lời giải chi tiết:
    20-[30-(5-1)^2]
    =20-(30-4^2)
    =20-(30-16)
    =20-14
    =6

  2. 20 – [ 30 – $( 5 – 1 )^2$ ]
    = 20 – [ 30 – $4^2$ ]
    = 20 – [ 30 – 16 ]
    = 20 – 14
    = 6

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