Mathematics education. A man and a woman consider equations written on a blackboard | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / LOOK AT SCIENCES / EURELIOS / VINCENT MONTCORGE |
Bildgröße: | 7236 px × 4830 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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