Zadanie o kątach w trójkącie - układ równań z 3 niewiadomymi
Why it's on BrighterTube
From a channel a BrighterTube curator approved in full · found via BookPractice list channel (Josh), extended under the whole-channel rule · 85% confidenceFrom a channel Lumen includes in full: Khan Academy po polsku is Khan Academy's official Polish channel of lessons and worked examples in math, science and programming.
What you'll learn
An 8-minute video from KhanAcademyPoPolsku's catalogue; the title names its topic.
Video by KhanAcademyPoPolsku, played through YouTube's embedded player.
Part of Układy równań z 3 niewiadomymi, Przekształcanie równań aby wyznaczyć niewiadomą