Question
What are the missing numbers?
3239, 3249, (a)         , 3269, (b)         , 3289
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 numbers?
3239, 3249, (a)         , 3269, (b)         , 3289