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Complex math formulas on whiteboard. Mathematics and science with economics concept. Real equations, symbols handwritten by a professional.
hand writes with chalk on a blackboard formulas, graphs and draws diagrams, the concept of study, school, education, exams, tests, physics concept
Financial technology concept. Fintech. Crypto currency. Electronic money. Cashless payment. Modern Monetary Theory.
Time, space and science concept. Mechanical clocks on starry space background photo.

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