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