Question
What are the missing numbers?
1137, 2647, (a) _____, 2677, (b) _____, 2707
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?
1137, 2647, (a) _____, 2677, (b) _____, 2707