DAY 434

EASY AS A, B, C
Credit: GAMES Magazine
October, 1986
Virginia McCarthy

In these problems, each letter represents a digit from 1 to 9. Asterisks (*) stand for any digit. Can you crack the code?

  ABC        AA         CC
+ABC        BB        -BA
 * ***      +CC          * *
                  * *

Answer:

A = 5
B = 1
C = 3