Question

То, что помечен красным

Answer 1

$((4 - log_{2}^{2}3) \times log_{12}2 + log_{2}3) \times {5}^{ log_{5}13 } = ((2 - log_{2}3)(2 + log_{2}3) \times log_{12}2 + log_{2}3) \times 13 =( ( log_{2}4 - log_{2}3)( log_{2}4 + log_{2}3) \times log_{12}2 + log_{2}3) \times 13 = (log_{2} \frac{4}{3} \times log_{2}12 \times log_{12}2 + log_{2}3) \times 13 = ( log_{2} \frac{4}{3} \times 1 + log_{2}3) \times 13 = ( log_{2} \frac{4}{3} + log_{2}3) \times 13 = log_{2}( \frac{4}{3} \times 3 ) \times 13 = log_{2}4 \times 13 = 2 \times 13 = 26$