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

Toán Lớp 7: 1/2 x – 1 = 1/6 Em cần gấp ạ mong mọi người chỉ

Toán Lớp 7: 1/2 x – 1 = 1/6
Em cần gấp ạ mong mọi người chỉ

Comments ( 2 )

  1. 1/2x – 1 = 1/6
    1/2x  = 1/6 + 1
    1/2x = 7/6
    x = 7/6 : 1/2
    x = 7/3
    Vậy x = 7/3
    #caty09
     

  2. $\dfrac{1}{2}$$.x-1=$$\dfrac{1}{6}$
    $\dfrac{1}{2}$$.x$          $=$$\dfrac{1}{6}$$+1$
    $\dfrac{1}{2}$$.x$          $=$$\dfrac{7}{6}$
           $x$         $=$$\dfrac{7}{6}$$:$$\dfrac{1}{2}$
           $x$         $=$$\dfrac{7}{3}$
    @Nobitao@

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

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