Question
What are the missing numbers?
(a) _____, 2063, (b) _____, 2103, 2123, 2143
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) _____, 2063, (b) _____, 2103, 2123, 2143