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

Toán Lớp 8: -4 phần 3x + 2 + 2 phần 3 x +2

Toán Lớp 8: -4 phần 3x + 2 + 2 phần 3 x +2

Comments ( 2 )

  1. Giải đáp:
     $\dfrac{-4}{3x+2}+\dfrac{2}{3x+2}$
    $= \dfrac{-4+2}{3x+2}$
    $= \dfrac{-2}{3x+2}$
     

  2. Giải đáp:
    (-4)/(3x + 2) + 2/(3x + 2)
    = (-4 + 2)/(3x + 2)
    = (-2)/(3x + 2)
    #dariana

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