Mọi người giúp e vs ạ

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Mọi người giúp e vs ạ

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  1. Minh Tam
    0
    2024-02-06T11:38:56+00:00

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    Đáp án`+`Giải thích các bước giải`:`

    `a)`

    `(-27)/(3) < x <= 12/4`

    `->-9<x<=3`

    `->x in {-8;-7,9;-7,8;-7,7;….;2,8;2,9;3}`

    `b)`

    `(-28)/4 <= x< (-21)/7`

    `->-7<=x<-3`

    `->x in {-7;-6,9;-6,8;-6,7;….;-2,9}`

    `c)`

    `(-21)/7 < x< (-12)/6`

    `->-3 < x < -2`

    `->x in {-2;9;-2,8;-2,7;…..;-2,9}`

    `d)`

    `(-30)/6 < x < (-28)/14`

    `->-5 < x<-2`

    `->x in {-4,9;-4,8;-4,7;….;-1,8;-1,9}`

     

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