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

Toán Lớp 8: tìm x để: 3 ===- <0 X + 3

Toán Lớp 8: tìm x để:
3
———- <0 X + 3

Comments ( 2 )

  1. ĐKXĐ: x≠-3
    Để 3/(x+3)<0
    <=> x+ 3 < 0 (vì 3 >0)
    <=> x <-3
    Vậy x <-3

  2. Để $\frac{3}{x+3}$  < 0 thì x+3 <0 ⇔ x < -3
    nguyenduyhungk6

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

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