Hồng Diá»…m ðŸŽ
@diemquan
gm (good math!) https://www.brunogavranovic.com/posts/2022-02-10-optics-vs-lenses-operationally.html
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Otohime 🦕(pirate)
@otohime
💕💞 Gòy soq! You're a truly special friend, and I'm proud of that. @diemquan
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