{# Grading needs an account, so show the task but not a runner
that would fail the moment it is submitted. #}
Kirish
Sonlar qatori: 1, 1, 2, 3, 5, ?
O'rtacha
Qonuniyatni toping. Diqqat: bu qator biroz boshqacha.
Mashqni yechish uchun hisobingizga kiring
Javobingiz tekshiriladi, izoh beriladi va XP yig'iladi.