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

Toán Lớp 7: ⁵/x=¹⁰/⁶ Mọi người giúp mình

Toán Lớp 7: ⁵/x=¹⁰/⁶
Mọi người giúp mình

Comments ( 2 )

  1. C1 : 
    5/x =10/6
    => x = 5 : 10/6
    => x = 5 . 6/10
    => x = 30/10
    => x =3
    Vậy x =3
    C2 :
    5/x =10/6
    => 10x = 5 . 6
    => 10x =30
    => x =30/10
    x =3
    Vậy x =3
    C3 :
    5/x =10/6
    => 5/x = 5/3
    =>x =3
    Vậy x =3

  2. $\text{$\dfrac{5}{x}$=$\dfrac{10}{6}$}$
    $\text{⇒x=$\dfrac{5×6}{10}$=$\dfrac{30}{10}$=3}$
    $\text{Vậy x=3}$
     

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

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