# Calculate A*B-C-D

Look at the series (5, A, C, 43, 73, 115, 171, D, 333, 443, 575, B, ...), determine the pattern, and find the unknown values (A, B, C and D) and calculate A*B-C-D!Correct answers:

**22**The first user who solved this task is

**Nílton Corrêa de Sousa**.#brainteasers #math