câu 1 : TÌM X 1/4 – ( 2/4 – 1và2/3 + x ) = 4/11 – ( 1/2 11/30 ) Giúp với , cmon

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câu 1 : TÌM X
1/4 – ( 2/4 – 1và2/3 + x ) = 4/11 – ( 1/2 11/30 )
Giúp với , cmon

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    `1/4 – (2/4 – 1 2/3 + x) = 4/11 – (1/2 – 11/30)` 

    `=> 1/4 – 2/4 + 5/3 – x = 4/11 – 2/15` 

    `=> -1/4 + 5/3 – x = 38/165` 

    `=> 17/12 – x = 38/165` 

    `=> x = 17/12 – 38/165` 

    `=> x = 261/220` 

    `Vậy: x = 261/220` 

     

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