Question
What are the missing digits?
  1. M
  2. N
   3 N 5 3
+    8 M 6
   4 7 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. M
  2. N
   3 N 5 3
+    8 M 6
   4 7 1 9