Question

4-5-{3+4-5-[7+(6-4)-7-6]+4}

Answer 1

4-5-{3+4-5-[7+(6-4)-7-6]+4}
" " 2 "
" " [ 7+2-7-6] "
"{3+4-5- [ -4 ] +4}
" {7-5 +4 +4}
" {3+4+4}
4-5 - { 11 }
-1 -11
-12

Answer 2

Respuesta:

12

Explicación paso a paso:

esa es la respuesta