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

Toán Lớp 6: Em muốn hỏi là (-44)-[(-14)-30]

Toán Lớp 6: Em muốn hỏi là
(-44)-[(-14)-30]

Comments ( 2 )

  1. (- 44) – [(- 14) – 30]
    = – 44 – (- 14 – 30)
    = – 44 – (- 44)
    = – 44 + 44
    = 0
    Vậy S = {0}
    #Ling
     
     

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

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

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