Question
Find the missing digits.
  1. Z
  2. A
 
      4 3 9 Z
-        1 A 3
       4 2 1 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
 
      4 3 9 Z
-        1 A 3
       4 2 1 1