Пифагорын теорем Posted on May 15, 2020 May 15, 2020 Comments 0 https://youtu.be/E-qtGfc2HNM Read More
Комплекс тооны дасгал бодлогууд №33 Posted on April 5, 2020 April 5, 2020 Comments 0 https://youtu.be/YmajqXciqfc Read More