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

Toán Lớp 6: tìm x,y,z biết (-4)/8=x/(-10)=(-7)/y=z/(-24)

Toán Lớp 6: tìm x,y,z biết
(-4)/8=x/(-10)=(-7)/y=z/(-24)

Comments ( 1 )

  1. Gửi cậu nò (❁´◡❁)
    Ta có:
    $\\$
    @\frac{-4}{8}=\frac{x}{-10}
    =>x=\frac{(-10).(-4)}{8}
    =>x=5
    $\\$
    @\frac{5}{-10}=\frac{-7}{y}
    =>y=\frac{(-7).(-10)}{5}
    =>y=14
    $\\$
    @\frac{-7}{14}=\frac{z}{-24}
    =>z=\frac{(-7).(-24)}{14}
    =>z=12
    $\\$
    Vậy x=5; y=14; z=12
     

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