Question
What are the missing numbers?
2147, (a) _____ , 2167, 2177, (b) _____ , 2197
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?
2147, (a) _____ , 2167, 2177, (b) _____ , 2197