Question
Find the missing digits.
  1. Z
  2. A
 
      6 6 9 Z
-        5 A 6
       6 1 6 1
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Find the missing digits.
  1. Z
  2. A
 
      6 6 9 Z
-        5 A 6
       6 1 6 1