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

Toán Lớp 6: (-44)-[(-14)-30]= ai giúp em đc ko

Toán Lớp 6: (-44)-[(-14)-30]= ai giúp em đc ko

Comments ( 2 )

  1. (-44) – [(-14) – 30]
    = (-44) – [(-14) + (-30)]
    = (-44) – (-44)
    = (-44) + 44
    = 0

  2. ( -44 ) – [( -14 ) – 30]
    = ( -44 ) – [ -14 + ( -30)]
    = ( -44 ) – ( -44 )
    = ( -44 ) + 44
    = 0

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