Question
What are the missing numbers?
(a) _____, 3866, (b) _____, 3946, 3986, 4026
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) _____, 3866, (b) _____, 3946, 3986, 4026