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

Toán Lớp 7: |2x-1/2|=4/3 tìm x giải thích lun nhee

Toán Lớp 7: |2x-1/2|=4/3 tìm x giải thích lun nhee

Comments ( 2 )

  1. |2x – 1/2| = 4/3
    => 2x – 1/2 in {4/3; -4/3}
    Có:
    {(2x – 1/2 = 4/3),(2x – 1/2 = -4/3):}
    => {(2x = 11/6),(2x = -5/6):}
    => {(x = 11/12),(x = -5/12):}
    Vậy {(x = 11/12),(x = -5/12):}
     

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