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

Toán Lớp 9: $\frac{6-\sqrt{x} }{6\sqrt{x}}$ =0

Toán Lớp 9: $\frac{6-\sqrt{x} }{6\sqrt{x}}$ =0

Comments ( 2 )

  1. ~ Bạn tham khảo ~
    [6-\sqrt(x)]/[6\sqrt(x)]=0
    ĐKXĐ : x>0
    <=> 6-\sqrt(x)=0
    <=> \sqrt(x)=6
    <=> x=36
    Vậy x=36

  2. $\frac{6-\sqrt{x}}{6\sqrt{x}}$  = 0
    ĐK : x > 0
    ⇔ 6 – $\sqrt{x}$ = 0
    ⇔ -$\sqrt{x}$ = -6
    ⇔ $\sqrt{x}$ = 6
    ⇔ x = 36(TM)

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