Question

C ) -7 . (2- 3 +6 )- 2 .10
D) - 9 .(8-2 +3) =
E) - 10 .( 2 - 8 ) - (-3 -1 )=
F) - 7 - 5 . ( 4 . 2 - 9 )

me ajudem para minha prova

Answer 1

Explicação passo-a-passo:

C )-7.(2-3+6)-2.10

-7.(-1+6)-20

-7.(5)-20

-35-20

-55

D)-9.(8-2 +3)

-9.(6+3)

-9.(9)

-81

E)-10.(2-8)-(-3-1)

-10.(-6)-(-4)

60+4

64

F)-7-5.(4.2-9)

-7-5.(8-9)

-7-5.(-1)

-7+5

-2