Làm bài hai cầu h :(((

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Làm bài hai cầu h :(((
lam-bai-hai-cau-h

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Orla Orla 4 years 2020-11-04T15:49:27+00:00 2 Answers 59 views 0

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    0
    2020-11-04T15:50:44+00:00

    h,

    `2019-2000:[486-2(27+16)]`

    `=2019-2000:(486-2.43)`

    `=2019-2000:(486-86)`

    `=2019-2000:400`

    `=2019-5=2014`

    0
    2020-11-04T15:50:54+00:00

     

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )