Question

решите плиз:............

Answer 1

$\frac{ {6}^{k + 4} \times {5}^{k + 4}}{ {6}^{1} \times {5}^{k + 3} \times {6}^{k + 3} } = {6}^{k + 4 - 1 - k - 3} \times {5}^{k + 4 - k - 3} = {6}^{0} \times {5}^{1} = 1 \times 5 = 5$