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

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

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

Comments ( 2 )

  1. 20-[30-(5-1)²:2]
    =20-[30-4²:2]
    =20-[30-16:2]
    =20-[30-8]
    =20-22
    =-2
    @Dinn
     

  2. 20-[30- (5-1)^2 : 2]
    = 20 – ( 30 – 4^2 : 2 )
    = 20 – ( 30 – 16 : 2 )
    = 20 – ( 30 – 8 )
    = 20 – 22
    = -2
     

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