Question

Решите по действиям: 18•(-13/14)•14/15•(-15/16)•16/17-(-17/18)

Answer 1

18 * ($-\frac{13}{14}$) * $\frac{14}{15}$ * ($-\frac{15}{16}$) * $\frac{16}{17}$ - ($-\frac{17}{18}$) = 18 * 13 * $\frac{1}{17} + \frac{17}{18}$ = $\frac{234}{17} + \frac{17}{18}$ = $\frac{4501}{306}$