Question
What are the missing numbers?
(a) _____, 1231, (b) _____, 1251, 1261, 1271
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) _____, 1231, (b) _____, 1251, 1261, 1271