Question
What are the missing numbers?
7946, (a)          , 7966, 7976, (b)          , 7996
2 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?
7946, (a)          , 7966, 7976, (b)          , 7996