Question

1+2×{3+4:[5-6 :(7-8:(9-1)]}=

Answer 1

1+2×{3+4:[5-6 :(7-8:(9-1)]}=
1+2×{3+4:[5-6:(7-1)]}=
1+2×[3+4:(5-6:6)]=
1+2×[3+4:(5-1)]=
1+2×(3+4:4)=
1+2×(3+1)=
1+2×4=
1+8=
9

Answer 2

9-1=8;
8:8=1;
7-1=6;
6:6=1;
5-1=4;
4:4=1;
3+1=4;
2x4=8;
8+1=9;
                                                                           R:9