3 mũ 2. [(5 mũ 2-3):11]- 2 mũ 4+2. 10 mũ 3

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3 mũ 2. [(5 mũ 2-3):11]- 2 mũ 4+2. 10 mũ 3

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Verity 1 year 2020-11-04T05:34:09+00:00 2 Answers 93 views 0

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    0
    2020-11-04T05:35:11+00:00

    ơ

    `3^ 2. [(5 ^ 2-3):11]- 2 ^ 4+2. 10 ^ 3`

    `=3^2.[(25-3):11]-2 ^ 4+2. 10 ^ 3`

    `=3^2.[22:11]-2 ^ 4+2. 10 ^ 3`

    `=3^2. 2 -16+ 2000`

    `= 18-16 + 2000`

    `= 2+2000`

    `=2002`

    0
    2020-11-04T05:35:33+00:00

      3 mũ 2. [(5 mũ 2-3):11]- 2 mũ 4+2. 10 mũ 3

    =3 mũ 2. [(25-3):11]-16 + 2.1000

    =3 mũ 2. [22:11]-16+2000

    =9 . 2- 16 + 2000

    =18-16+2000

    =2 + 2000

    =2002

     

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