Question
What are the missing digits?
  1. F
  2. G
   7 G 5 4
+    5 F 5
   8 2 1 9

2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

What are the missing digits?
  1. F
  2. G
   7 G 5 4
+    5 F 5
   8 2 1 9