Question

5) Calcule
a) (-5) + (+2) - (-1) + (-7)

b) 5 - (3-2) + (7-4)

C) 7+ (-5 -6) (-9 +3)

D) - (+4-6) + (2-3)

E) -6 -(2-7+1-5) +1

F) {2 + [1+ (-15-15)-2]}

pra ontem pfv:3 qm pudee ajudar​

Answer 1

Resposta:

A) -9

B) 7

C) 73

D) 7

E) 4

F) ??