Question

Resolva as expressões com jogo de Sinais.
(-5-4+8) X (-8+9) =
-3+9-12=
-3. (+8)=
50-15+(3 X 4-6)=​

Answer 1

A ) ( - 5 - 4 + 8 ) × ( - 8 + 9 )

- 1 × + 1

= - 1

B) - 3 + 9 - 12

+ 6 - 12

= - 6

C) - 3 . ( + 8 )

= - 24

D) 50 - 15 + ( 3 × 4 - 6 )

35 + 12- 6

47 - 6

= + 41