Lektion 4 - Summor
![](https://i.ytimg.com/vi/x_IPpNvri0s/mqdefault.jpg)
14:56
Lektion 5 - Att lösa komplexa ekvationer av första och andra grad
![](https://i.ytimg.com/vi/TtVKzbOjAmE/mqdefault.jpg)
22:05
Relationer: Fyra egenskaper hos relationer
![](https://i.ytimg.com/vi/FUUIE4BInu0/mqdefault.jpg)
16:51
Lektion 1 - Att lösa rotekvationer
![](https://i.ytimg.com/vi/VIQcAcQcarY/mqdefault.jpg)
18:44
Relationer: Ekvivalensrelationer
![](https://i.ytimg.com/vi/LZoW2hcZMDc/mqdefault.jpg)
41:51
INSTRUMENTAL MUSIC | 40 MINUTES CALMING PIANO AND VIOLA
![](https://i.ytimg.com/vi/0UN_HbOTTcI/mqdefault.jpg)
3:15:53
Música Clásica para la Concentración | Mozart, Beethoven, Vivaldi...
![](https://i.ytimg.com/vi/oCbcXSM-iR4/mqdefault.jpg)
14:09
Can You Simplify This? How to reduce 231/600 FAST without a Calculator! BASIC MATH!
![](https://i.ytimg.com/vi/47MiviV-wf0/mqdefault.jpg)
3:02:45