DETAILED NOTES ON 2':5'

This is usually employed to indicate that an affix or clitic varies involving utilizing the unrounded back again vowel ⟨а⟩, the rounded back again vowel ⟨о⟩, the rounded front vowel ⟨ө⟩ along with the unrounded front vowel ⟨э⟩.Для сложения, вычитания, умножения или деление двух дроб