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

Toán Lớp 6: -9 -5 _ + – 8 8

Toán Lớp 6: -9 -5
_ + –
8 8

Comments ( 2 )

  1. Giải đáp:
    \frac{-9}{8} + \frac{-5}{8} = \frac{-9+(-5)}{8} = \frac{-14}{8} = \frac{-7}{4} = -1,75.
    Chúc học tốt!!!
     

  2. (-9)/8 + (-5)/8
    = ((-9) + (-5))/8
    = (-14)/8
    = (-7)/4
    Vậy  (-9)/8 + (-5)/8 = (-7)/4

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

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