Resposta:
OLÁ
A)
[tex]( - 3) + ( - 6) \\ - 3 + ( - 6) \\ - 3 - 6 \\ \boxed{ \blue{ = - 9}}[/tex]
B)
[tex]2 + ( - 8) \\ 2 - 8 \\ \boxed{ \blue{ = - 6}}[/tex]
C)
[tex]( - 5) \times 2 \\ - (5 \times 2) \\ \boxed{ \blue{ = - 10}}[/tex]
D)
[tex]( - 6) \times ( - 5) \\ 6 \times 5 \\ \boxed{ \blue{ = 30}}[/tex]
E)
[tex]( - 8) \div ( - 4) \\ 8 \div 4 \\ \boxed{ \blue{ = 2}}[/tex]
F)
[tex](8) \div ( - 2) \\ - (8 \div 2) \\ \boxed{ \blue{ = - 4}}[/tex]
G)
[tex]( + 9) \div ( - 3) \\ - (9 \div 3) \\ \boxed{ \blue{ = - 3}}[/tex]
________
espero ter ajudado
___________________
