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

Перевод задания: Запиши пропущенное число.

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

Ответ: 2) seven; 3) ten; 4) four.