Question

СДЕЛАЙТЕ Я ВАС ПРОШУ

Answer 1

= 18 (1/6) 2(степени) - 5
= 18 * 1/36 - 5
= 1/2 - 5
= - 9/2
= 4 1/2 или -4,5

Answer 2

$18( \frac{2}{3} - \frac{1}{2} ) {}^{2} - 5 = \\ 18( \frac{4 - 3}{6} ) {}^{2} - 5 = \\ 18 \times \frac{1}{36} - 5 = \\ \frac{1}{2} - 5 = - \frac {9}{2}$