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

Toán Lớp 4: GIÚPPPP VS EMMM CẦN GẤP!! b) 9 × ( x + 5 ) = 729

Toán Lớp 4: GIÚPPPP VS EMMM CẦN GẤP!!
b) 9 × ( x + 5 ) = 729

Comments ( 2 )

  1. Giải đáp:
     
    9 × ( x + 5 ) = 729
    9x+45=729
    9x=729-45
    9x=684
    x=684/9=76
    vậy x= 76

  2. $\text{Giải đáp:}$
    $9 × (x + 5) = 729$
    $x + 5 = 729 : 9$
    $x + 5 = 81$
    $x = 81 – 5$
    $x = 76$
    $\text{Vậy}$ $x = 76.$
    $\#Hae$
     

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