Question

PRA AGR POR FAVOR!!!!!

I – Efetue as operações:

1) ( + 3 ) × ( + 2 )=

2) (+ 5 ) × ( + 1 ) =

3) ( + 7 ) × (+ 5 ) =

4) (- 2 ) × ( - 8 ) =

5) ( - 9 ) × ( - 4 ) =

6) (- 3 ) × ( - 2 ) =

7) (+ 2 ) × ( - 5 ) =

8) (-10) × (+ 3 )=

9) (-9 ) × ( + 4 )=

10) ( +12) × ( - 3 )=

II- Determine os produtos:

1) (-2) × (+3) × ( +4)=

2) ( +5) × (-1) × ( + 2 ) =

3) ( - 6 ) × ( + 5 ) × ( - 2 ) =

4) ) ( + 8 ) × ( - 2 ) × ( - 3 ) =

5) ( + 3 ) × ( - 2 ) × ( - 1 ) × (- 5 )=

6) ( -2 ) × ( - 4 ) × ( + 6 ) × ( + 5 ) =

7) ( - 3 ) × ( + 2 ) × ( - 4 ) × (+ 1 )× ( - 5 )=

8) ( - 1 ) × ( - 2 ) × ( - 3 ) × ( - 4 ) × ( - 5 ) =

9) ( + 1 ) × ( + 3 ) × ( - 6 ) × ( - 2 ) × ( - 1 ) × ( + 2 ) =

10) ( + 3 ) × ( - 2 ) × ( + 4 ) × (- 1 ) × ( - 5 ) × ( - 6 )=

​​

Answer 1

Resposta:

I-

1) +6

2) +5

3) +35

4) +16

5) +36

6) +6

7) -10

8) -30

9) -36

10) -36

II-

1) -24

2) -10

3) +60

4) +48

5) -30

6) +240

7) -120

8) -120

9) -72

10) +720

Explicação passo-a-passo:

+ com + = +

- com + = -

+ com - = -

- com - = +

espero ter ajudado.

se puder classificar como melhor resposta, agradeço.