## "Один студент, три студенти, п'ять студентів, п'ятнадцять студентів"

Translation:One student, three students, five students, fifteen students

August 17, 2015

## 3 Comments

MichailoGM

- 196

The Fibonacci sequence is used in the number of lessons per level in Duolingo. Is there a mathematician on the staff?

March 21, 2019