Hồng Diễm 🎭
@diemquan
gm (good math!) https://www.brunogavranovic.com/posts/2022-02-10-optics-vs-lenses-operationally.html
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Tran Thi Trang 🎩
@trangnguyen
Đây, quà bé nhỏ, tặng mày. 🤤👋🤭 Bạn là nhất!
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