ligninger

Ligninger

https://www.youtube.com/watch?v=BXczVwHJguk

https://www.youtube.com/watch?v=yzHxBF6Fzqc

https://www.youtube.com/watch?v=oPOSOUO4xKE ligninger med plus-parenteser og minus-parenteser

https://www.youtube.com/watch?v=sZbmghylXgw regnehierakiet

https://www.youtube.com/watch?v=yzHxBF6Fzqc&t=72s&ab_channel=iundervisning.dk

https://www.youtube.com/watch?v=BXczVwHJguk&t=60s&ab_channel=matematikkanalen

Reduktion og ligninger

https://www.youtube.com/watch?v=D_CCUhQlLUw&ab_channel=MetteKellerLarsen