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

Toán Lớp 6: 28+(19-28)-(32-57)= help me gấp lắm rồi

Toán Lớp 6: 28+(19-28)-(32-57)=
help me gấp lắm rồi

Comments ( 2 )

  1. Giải đáp:
    28 + (19 – 28) – (32 – 57) 
    = 28 + 19 – 28 – 32 + 57
    = (28 – 28) + (19 + 57) – 32
    = 0 + 76 – 32
    = 76 – 32
    = 44
     

  2. 28 + (19 – 28) – (32 – 57)
    = 28 – 28 + 19 – 32 + 57
    = 19 – 32 + 57
    = -13 + 57
    = 44

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