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

Toán Lớp 6: 45 : ( 3x – 4 ) = 3 ^2 cho mk xin công thức làm

Toán Lớp 6: 45 : ( 3x – 4 ) = 3 ^2
cho mk xin công thức làm

Comments ( 2 )

  1. 45:(3x-4)=3^2
    45:(3x-4)=9
    3x-4=45:9
    3x-4=5
    3x=5+4
    3x=9
    x=9:3
    x=3
    Vậy x=3

  2. 45 : ( 3x – 4 ) = 3 ^2
    <=>45 : ( 3x – 4 ) = 9
    <=>3x-4=5
    <=>3x=9
    <=>x=3
    Vậy x=3
     

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

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