Question

Efetue :
-1-2-3=
-4-5-8+10=
7+20-15+20-1=
+8-10-10+20+14-13-1=
-13+7-9+5-13=
-20+10+17-3+4-7+8-1=
-6-7-13-26+54-2=
Urgenteeee

Answer 1

Resposta:

-1-2-3=  -6

-4-5-8+10=  -7

7+20-15+20-1=  31

+8-10-10+20+14-13-1=  8

-13+7-9+5-13=  -23

-20+10+17-3+4-7+8-1=  8

-6-7-13-26+54-2= 0

Explicação passo-a-passo: