Question

8+{-5+[(8-12)+(13+12)]-10}

Answer 1

8+{-5+[(8-12)+(13+12)]-10}=
8+{-5+[-4+25]-10=
8+{-5+21-10}=
8+6=
"14"

Answer 2

8+{-5+[(8-12)+(13+12)]-10}=>

8 + { -5+[ - 4 + 25 ] - 10}=>

8 + { -5 + 21 - 10 }=>

8 + 6=>

14