Resposta :
Olá, Gaby.
[tex]|7+4 \times (-2)| - |- 15+8\div(-2)|= \\\\ =|7-8|-|-15-4|= \\\\ =|-1|-|-19|= \\\\ =1-19= \\\\ =-18[/tex]
|7+4(vezes -2)| - |- 15+8(dividido por -2)|
Olá, Gaby.
[tex]|7+4 \times (-2)| - |- 15+8\div(-2)|= \\\\ =|7-8|-|-15-4|= \\\\ =|-1|-|-19|= \\\\ =1-19= \\\\ =-18[/tex]