Скачать или смотреть 6.4.2 & 6.4.3 Parabola (part 2)

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Web App:
https://elearn.gov.pk/onlineApp/index...

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eLearn is the official repository of digitized textbooks of Punjab. Each book has been augmented with Video Lectures, Illustrations, Animations, Simulations, and Interactive Assessments. Through this website, you can access 30 Science and Maths textbooks for Grade 4-12 which have been augmented with 13,047 Video Lectures, 592 Simulations, 2100 Audio minutes and 1,830Animations. eLearn is developed by Punjab Information Technology Board in collaboration with Punjab Curriculum & Textbook Board and the School Education Department."