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

Toán Lớp 6: 20-[30-(5-1)mũ 2] Mn giúp em câu này với ạ

Toán Lớp 6: 20-[30-(5-1)mũ 2]
Mn giúp em câu này với ạ

Comments ( 2 )

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

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

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

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