Question
Find the missing digits.
  1. N
  2. P

      5 N 1 4
+    3 1 P 1
      5 4 7 2
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. N
  2. P

      5 N 1 4
+    3 1 P 1
      5 4 7 2