Văn Sá»u
@vansuu
gm (good math!) https://www.brunogavranovic.com/posts/2022-02-10-optics-vs-lenses-operationally.html
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Peonyler
@peonyler
Excellent! ðŸ¤ðŸ’• Tặng anh, vá»›i tình anh không giá»›i hạn. @vansuu
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