Question

Tenho q entregar as 4 é urgente

Answer 1

alguem me ajuda tbm preciso da resposta dessaaaa

Answer 2

Resposta:

Olá boa tarde!

$(\frac{x}{y})^{-1} = \frac{y}{x} \\\\a)\\1\\\\b)\\\frac{2}{7}\\\\c)\\2\\\\d)\\\frac{1}{2} \\\\e)\\\frac{5}{6} \\\\f)\\4$