Question
Find the missing digits.
  1. B
  2. C
 
      6 8 8 B
-        5 C 6
       6 3 2 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. B
  2. C
 
      6 8 8 B
-        5 C 6
       6 3 2 1