Question

{900-[(a:5+124x5x3:10):5+364]}-200x2x2:8=365

Answer 1

{900-[(a:5+186):5+364]}-100=365
900-[(a:5+186):5+364]=465
(a:5+186):5+364=900-465
(a:5+186):5+364=435
(a:5+186):5=71
a:5+186=355
a:5=169
a=845