Question
Find the missing digits.
  1. Y
  2. Z

      3 Y 2 4
+    1 3 Z 1
      1 4 4 5
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. Y
  2. Z

      3 Y 2 4
+    1 3 Z 1
      1 4 4 5