Question
What are the missing numbers?
(a) _____, 1211, (b) _____, 1291, 1331, 1371
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) _____, 1211, (b) _____, 1291, 1331, 1371