Question
What are the missing numbers?
1244, 2554, (a) _____, 2580, (b) _____, 2606
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?
1244, 2554, (a) _____, 2580, (b) _____, 2606