male teacher explaining math formulas green chalkboard classroom vector illustration |
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| navigate by keyword : teacher male man chalkboard blackboard math formulas education classroom teaching lesson school knowledge student learning professor instructor explaining academic university college study science algebra geometry numbers writing board pointer glasses brown orange sweater argyle pants shoes standing adult person vector tools chalk explanation intellectual concept scene lecturer |
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| Illustration shows a male teacher standing in front of a green chalkboard with math formulas, explaining concepts confidently and clearly. Educational mood. Generative AI |
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