Question
What are the missing numbers?
1748, (a) _____ , 1828, 1868, (b) _____ , 1948
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?
1748, (a) _____ , 1828, 1868, (b) _____ , 1948