Question

Помогите пожалуйста!!!
Write the missing number.
1.one,two,three,four
2.one,four,..............,ten
3..................,eight,six,four
4.two,..............,six,eight

Answer 1

2.one,four,seven,ten
3.ten,eight,six,four
4.two,four,six,eight

Answer 2

1. Seven
2. Six
3. six