Question

me ajudem nessas contas por favor
-1-2-3=
-4-5-8+10=
-7+20-15+20-1=
+8-10-7+-14+5-6=
-13+7-9+5-13=
-20+10-10+20+14-13-1=
-8-10+17-3+4-7+8-1=
-6-7-13-26+54-2=

Answer 1

Resposta:

-1-2-3= - 6

-4-5-8+10=  - 7

-7+20-15+20-1=  17

+8-10-7+-14+5-6=  10

-13+7-9+5-13=  - 23

-20+10-10+20+14-13-1= 0

-8-10+17-3+4-7+8-1= 0

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

Explicação passo-a-passo: