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

Toán Lớp 7: 3x-1/3-1/15-1/35-1/63-1/99=0 Mn giú mik nha Mik sẽ vote 5* cho CTLHN

Toán Lớp 7: 3x-1/3-1/15-1/35-1/63-1/99=0
Mn giú mik nha
Mik sẽ vote 5* cho CTLHN

Comments ( 1 )

  1. 3.x – 1/3 – 1/15 – 1/35 – 1/63 – 1/99 = 0
    3.x – (1/3 + 1/15 + 1/35 + 1/63 + 1/99) = 0
    3.x – 5/11 = 0
    3.x           = 0 + 5/11
    3.x           = 5/11
       x            = 5/11 : 3
      x             = 5/33 
    @Vy
     

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

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