Question

Вычислите
..........................

Answer 1

Ответ:

$log_{13}(16.9) + log_{13}(10) - 9 \times {4}^{ log_{4}(3) } = \\ = log_{13}(16.9 \times 10) - 9 \times 3 = \\ = log_{13}(169) - 27 = 2 - 27 = - 25$