por favor me ajudei
Soluções para a tarefa
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 ^^