Tính: `a)√(3) + √(2) – 2√(6) . ( √(6) -1 )

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Tính:
`a)√(3) + √(2) – 2√(6) . ( √(6) -1 )

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Jezebel 4 years 2020-11-24T12:42:43+00:00 1 Answers 66 views 0

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  1. Nem
    0
    2020-11-24T12:44:01+00:00
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    $\sqrt[]{3}+\sqrt[]{2}-2\sqrt[]{6}(\sqrt[]{6}-1)$

    $=\sqrt[]{3}+\sqrt[]{2}-2\sqrt[]{6}.\sqrt[]{6}+2\sqrt[]{6}$

    $=\sqrt[]{3}+\sqrt[]{2}-12+2\sqrt[]{6}$

     

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