Wybuchające kropki – lekcja 5.4 Reszta z dzielenia

Picked one by one from a mixed channel. Transcript check: both title readers certain; 3 of 5 sampled certain picks confirmed by transcript, none failed. Channel rule: Include only subject-teaching lessons: numbered math lessons such as 'Wybuchające kropki', proofs, worked chemistry and physics solutions, measurement/uncertainty explanations, and the descriptive 'O religii dla każdego - Religie Świata' and historical 'Teologia dla młodzieży' episodes; exclude promo, app/AI demos, testimonials and opinion pieces on the Church's future.