30 Aprilis 2017
- 12:5812:58, 30 Aprilis 2017 diff hist +227 Trigonometria MODEL =epistematematicallogicstrigonometricy= Tag: Visual edit: Switched
- 11:3111:31, 30 Aprilis 2017 diff hist +358 Trigonometria COS2A=COS A - SIN A + 2 atliko ;Marcelius de' Martirosian