Question
What are the missing numbers?
(a) _____, 2190, (b) _____, 2210, 2220, 2230
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) _____, 2190, (b) _____, 2210, 2220, 2230