Question

– 56 – 22 = *

(A) ( ) -78
(B) ( ) 37
(C) ( ) 38
(D) ( ) 39
(E) ( ) 40


(- 20) : (- 5) = *

(A) ( ) +4
(B) ( ) -29
(C) ( ) -37
(D) ( ) -41
(E) ( ) -45

(–8) + (–2) + (–7) +(+2)= *

a) ( ) +17
b) ( ) 103
c) ( ) – 15
d) ( ) +53
e) ( ) +03

4) (–8) + (–2) + (–7) +(+2) +(+2)= *

a) ( ) +17
b) ( ) 103
c) ( ) – 13
d) ( ) +53
​

Answer 1

Resposta:

1 = - 78

2= + 4

3= - 15

4 = + 17

espero ter ajudado

Answer 2

QUESTÃO 1

A) -78

-56 - 22

- (56 + 22)

- 78

QUESTÃO 2

A) +4

(-20) ÷ (-5)

20 ÷ 5

4

QUESTÃO 3

C) - 15

(-8) + (-2) + (-7) + (+2)

(-8) + (-7)

- 8 - 7

-15

QUESTÃO 4

C) - 13

(-8) + (-2) + (-7) + (+2) + (+2)

(-8) + (-7) + 2

-8 -7 + 2

-13