Question

-{3-5+[-8+9-(5-7+4-11)+4-2-7)_(-13+10)]+(8+14)-15}​

Answer 1

Primero se suprimen los parentesis, corchetes y laves:

-{3-5+[-8+9-(5-7+4-11)+(4-2-7)-(-13+10)]+

(8+14)-15}=

-{3-5+[-8+9-5+7-4+11-4-2-7+13-10]+8+14-15}=

-{3-5-8+9-5+7-4+11+4-2-7+13-10+8+14-15}=

-3+5+8-9+5-7-4+11-4+2+7-13+10-8-14+15=

+5+8+5+4+2+7+10+15-3-9-7-11-4-13-8-14=

56-69=13

Respuesta: 13

도움이 되길 바랍니다