Question
What are the missing numbers?
(a) _____, 4227, (b) _____, 4307, 4347, 4387
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?
(a) _____, 4227, (b) _____, 4307, 4347, 4387