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

Toán Lớp 6: |x-1|=2/3 b/ tính m 2x^2 +3x-1 phần 3x -2 với |x-1|=2/3

Toán Lớp 6: |x-1|=2/3
b/ tính m 2x^2 +3x-1 phần 3x -2 với |x-1|=2/3

Comments ( 1 )

  1. |x-1|=2/3
    ->[(x-1=2/3),(x-1=-2/3):}
    ->[(x=2/3+1),(x=-2/3+1):}
    ->[(x=5/3),(x=1/3):}
    Vậy x\in{5/3;1/3}

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