Da Da 🎭
@dada12345
gm (good math!) https://www.brunogavranovic.com/posts/2022-02-10-optics-vs-lenses-operationally.html
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Trắng tinh Khôi 🎭
@trangtinkhoi
😘 Ôi zời ơi! This article is a game-changer, thank you!
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