Question
Find the missing digits.
  1. S
  2. T

      4 S 2 8
+    1 3 T 3
      1 6 8 8
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. S
  2. T

      4 S 2 8
+    1 3 T 3
      1 6 8 8