Question
What are the missing numbers?
4572, (a)          , 4652, 4692, (b)          , 4772
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?
4572, (a)          , 4652, 4692, (b)          , 4772