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

Toán Lớp 8: Giải bất phương trình: 9/4-x <1

Toán Lớp 8: Giải bất phương trình:
9/4-x <1

Comments ( 1 )

  1. Answer
    9/4 – x < 1
    $\Leftrightarrow$ x < 9/4 – 1
    $\Leftrightarrow$ x < 9/4 – 4/4
    $\Leftrightarrow$ x < 5/4
    $\text{Vậy}$ x < 5/4
    _________________
    9/{4-x} < 1
    4 – x < 9
    x < 4 – 9
    x < -5
    $\text{Vậy}$ x < -5
     

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

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