teacher writes mathematics formulas blackboard
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teacher writes mathematics formulas blackboard |
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| navigate by keyword : adult back black blackboard board body caucasian chairs chalk chalkboard class classroom clock college education eldest formula full green indoor information integral knowledge learn lecture lesson man mathematics modern old one person portrait professor rows russia school science seats student study teach teacher tutor university white wooden write writing |
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| Teacher writes mathematics formulas on blackboard in school classroom, back view |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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