Question

 17+81:9-1×2×[(a:7+14:7+2):2-4+2×2]+32-3×8=6+56:8+5 

Answer 1

17+81:9-1*2*[(a:7+14:7+2):2-4+2*2]+32-3*8=6+56:8+5

17+9-2*[(a:7+2+2):2-4+4]+32-24=6+7+5

26-2*[(a:7+4):2]+8=18|-8

26-2*[(a:7+4):2]=10

2*[(a:7+4):2]=16|:2

(a:7+4):2=8|*2

a:7+4=16

a:7=12

a=7*12=84

*=înmulțit