Question
What are the missing numbers?
1241, 2751, (a) _____, 2781, (b) _____, 2811
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?
1241, 2751, (a) _____, 2781, (b) _____, 2811