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

Toán Lớp 8: ║ `2x – 1` ║ `-` ║ `x +` $\dfrac{1}{3}$ ║ `= 0`

Toán Lớp 8: ║ 2x – 1 ║ – ║ x + $\dfrac{1}{3}$ ║ = 0

Comments ( 2 )

  1. |2x -1|  – |x + 1/3| = 0
    |2x-1| = |x + 1/3|
    \(\left[ \begin{array}{l}2x-1 = x+\frac{1}{3} \\2x-1 = -(x+ \frac{1}{3})\end{array} \right.\) $\left \{ {{y = \frac{4}{3}} \atop {x= \frac{-2}{9}}} \right.$  

  2. Của bạn đây .Xin hay nhất ạ
    toan-lop-8-2-1-dfrac-1-3-0

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