Question

simplifique a pergunta ​

Answer 1

Resposta:

$(-\frac{3}{4})\times(\frac{4}{7})=\frac{-3}{4}\times\frac{4}{7} = \frac{-3\times4}{4\times7}\\\frac{-3\times4}{4\times7} = \frac{-12}{28}=\frac{-3}{7}$

Answer 2

( - 3 / 4 ) × ( + 4 / 7 )

- 3 / 4 × 4 / 7

- 3 × 1 / 7

- 3 / 7 #

Espero ter ajudado :)