Question
What are the missing numbers?
1477, 3387, (a) _____, 3425, (b) _____, 3463
1 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 numbers?
1477, 3387, (a) _____, 3425, (b) _____, 3463