Question

por favor me ajudei ​

Answer 1

Resposta:

Lembre se que:

+ com + é +

- com - é +

+ com - é -

- com + é +

Soma: Um número qualquer + o outro.

Produto: Um número vezes o outro.

a) ( -7 ) + ( -3 ) + ( -5 ) =

( + 10 ) + ( -5 ) =

- 15

( -7 ) . ( -3 ) . ( -5 ) =

( + 21 ) . ( - 5 ) =

- 105

b) ( -6 ) + ( -2 ) + ( -4 ) =

( + 8 ) + ( - 4 ) =

- 12

( -6 ) . ( -2 ) . ( -4 ) =

( + 12 ) . ( - 4 ) =

- 48

c) ( -5 ) + ( +3 ) + ( +2 ) =

( - 8 ) + ( +2 ) =

- 10

( -5 ) . ( +3 ) . ( +2 ) =

( - 15 ) . ( +2 ) =

- 30

d) ( -4 ) + ( -5 ) + ( -3 ) =

( - 9 ) + ( -3 ) =

+ 12

( -4 ) . ( -5 ) . ( -3 ) =

( + 20 ) . ( -3 ) =

- 60

e) ( -3 ) + ( +4 ) + ( -5 ) =

( - 7 ) + ( -5 ) =

+ 12

( -3 ) . ( +4 ) . ( -5 ) =

( -12 ) . ( -5 ) =

60

f) ( -2 ) + ( -1 ) + ( +5 ) =

( +3 ) + ( +5 ) =

+ 8

( -2 ) . ( -1 ) . ( +5 ) =

( + 2 ) . ( +5 ) =

+ 10

g) ( -1 ) + ( -2 ) + ( +5 ) =

( + 3 ) + ( +5 ) =

+8

( -1 ) . ( -2 ) . ( +5 ) =

( +2 ) . ( +5 ) =

+ 10

h) ( 0 ) + ( -1 ) + ( -2 ) =

( -1 ) + ( -2 ) =

+ 3

( 0 ) . ( -1 ) . ( -2 ) =

( 0 ) . ( -2 ) =

0

i) ( +1 ) + ( +5 ) + ( +4 ) =

( +6 ) + ( +4 )=

+ 10

( +1 ) . ( +5 ) . ( +4 ) =

( +5 ) . ( +4 ) =

+ 20

j) ( +2 ) + ( +3 ) + ( +5 ) =

( +5 ) + ( +5 ) =

+ 10

( +2 ) . ( +3 ) . ( +5 ) =

( +6 ) . ( +5 ) =

+ 30

k) ( +3 ) + ( +4 ) + ( -4 ) =

( +7 ) + ( - 4 ) =

( -11 )

( +3 ) . ( +4 ) . ( -4 ) =

( +12 ) . ( -4 ) =

( -48 )

l) ( +4 ) + ( +3 ) + ( -4 ) =

( +7 ) + ( -4 ) =

- 11

( +4 ) . ( +3 ) . ( -4 ) =

( +12 ) . ( -4 ) =

- 48

m) ( +5 ) + ( -1 ) + ( +3 ) =

( -6 ) + ( +3 ) =

- 9

( +5 ) . ( -1 ) . ( +3 ) =

( - 5 ) . ( +3 ) =

- 15

n) ( +6 ) + ( +2 ) + ( -2 ) =

( +8 ) + ( -2 ) =

- 10

( +6 ) . ( +2 ) . ( -2 ) =

( +12 ) . ( -2 ) =

- 24

o) ( +7 ) + ( -5 ) + ( +2 ) =

( -12 ) + ( +2 ) =

( -14 )

( +7 ) . ( -5 ) . ( +2 ) =

( -35 ) . ( +2 ) =

( - 70 )

Marca como melhor resposta pfv!!! deu muito trabalho!!

Bons Estudos ^^