Question

срооооочноооо пжжжжжжж​

Answer 1

Ответ:

$a_{8} - a_{3} = 5d \\ \\ 13 - 5 = 5d \\ 5d = 8 \\ d = \frac{8}{5}$

$a_{10} - 13 = 2 \times \frac{8}{5} \\a_{10} - 13 = \frac{16}{5} \\ a_{10} = 3.2 + 13 \\ a_{10} = 16.2$