2/2 Lectia 737 - Coliniaritate Unicitatea paralelei printr-un pct. exterior Raportul ariilor Clasa 7
1/2 Lectia 655 - Limite de functii Cercul trigonometric Def fct trigonom pe cerc trigonom - Clasa 11
2/2 Lesson 670 - What is the limit of a function at a point? Calculating the limits of functions ...