Question

онлайн мекпеп, надо срочно! ​

Answer 1

$\frac{53 ^{2} - 27 ^{2} }{79^{2} - 51^{2} } = \frac{(53 - 27) \times (53 + 27)}{(79 - 51)(79 + 1)} = \frac{26 \times 80}{28 \times 130} = \frac{13 \times 8}{14 \times 13} = \frac{8}{14} = \frac{4}{7}$

Ответ: 4/7