Question

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Answer 1

Ответ:

1) $-16\sqrt{6}$.

Объяснение:

1)

$2\sqrt{6} -3\sqrt{24} -4\sqrt{54} = 2\sqrt{6} -3 * \sqrt{6} *\sqrt{4} - 4 * \sqrt{9} * \sqrt{6} = 2\sqrt{6} - 6\sqrt{6} -12\sqrt{6} = -16\sqrt{6}.$