what number is it?
22
Which is the missing number?
4
Which is the missing number?
5
what number is it?
24
Which is the missing number?
18
what number is it?
25
Which is the missing number?
13
Which is the missing number?
6
Which is the missing number?
11
Which is the missing number?
4
Which is the missing number?
5
Which is the missing number?
4
what number is it?
20
what number is it?
23