Liczba dziewcząt w stosunku do liczby chłopców

About this video

From a channel a BrighterTube curator vetted · found via BookPractice list channel (Josh), extended under the whole-channel rule · 85% confidence

From 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.

A 3-minute video from KhanAcademyPoPolsku's catalogue; the title names its topic.

Video by KhanAcademyPoPolsku, played through YouTube's embedded player.

Part of Krzysiek - kwiecień 2015, Algebra - stosunki i proporcje, Arytmetyka - ułamki