Question

помогите пжжжж с алгеброй.​

Answer 1

Ответ:

$\frac{k}{5u} + \frac{3k}{2u} = \frac{2k}{2 \times 5u} + \frac{5 \times 3k}{5 \times 2u} = \frac{2k}{10u} + \frac{15k}{10u} = \frac{2k + 15k}{10u} = \frac{17k}{10u}$