Question

{[(a+3)×3+3]×3+3}×3+3=201

Answer 1

{[(a+3)*3+3]*3+3}*3=201-3=198
[(a+3)*3+3]*3+3=198:3=66
[(a+3)*3+3]*3=66-3=63
(a+3)*3+3=63:3=21
(a+3)*3=21-3=18
a-3=18:3
a-3=6
a=6+3
a=9