[Copy of] Оптимизация банки газировки

Оригинал: https://teacher.desmos.com/activitybuilder/custom/6033b23fe782100d3090728b?collections=5f5b781f8efb15281eecc8b8%2C5f58f0d67d4f630ca3754d7a&lang=ru

By Ljudmilla Rozhdestvenskaya