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Khan Academy 23. sij
Odgovor korisniku/ci @khanacademy
🎉You can download the app of the day for FREE!🎉 📲 iOS () Android ()
Reply Retweet Označi sa "sviđa mi se"
Yash kumar jha 24. sij
Odgovor korisniku/ci @khanacademy
Plz upload a full felged course on relativity and cosmology
Reply Retweet Označi sa "sviđa mi se"