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A laptop displays a document titled "Ficha 15.pdf," presenting mathematical problems. The first problem involves determining the existence of asymptotes for various functions. A notebook is open, showing handwritten mathematical work on a grid paper. A pencil lies on the notebook. The laptop and notebook are placed on a white surface, likely a desk.
freutas

Jan 15, 2026, 4:54 PM

Porto, Portugal

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laptop
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mathematics

A laptop displays a document titled "Ficha 15.pdf," presenting mathematical problems. The first problem involves determining the existence of asymptotes for various functions. A notebook is open, showing handwritten mathematical work on a grid paper. A pencil lies on the notebook. The laptop and notebook are placed on a white surface, likely a desk.

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freutas

Jan 15, 2026, 4:54 PM

Porto, Portugal

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