science and trouble concept
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science and trouble concept |
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| navigate by keyword : abstract algebra answer back background blackboard board businessman calculate class classroom college concept doodle drawing education equation formula knowledge lesson lifestyle looking male man mark math mathematical mathematics person project question research school science serious sketch standing stressed student study suit support teacher theory thinking trigonometry university white worried young |
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| Back view of stressed businessman standing on chalkboard background with mathematical formulas. Science and trouble concept |
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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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