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  • Student or pupil calculating math formula

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  • Student and teacher writing on chalkboard

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  • Dozentin und Studentin an der Tafel

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  • Dozentin unterrichtet Mathematik

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  • Lehrerin mit Studentin an Tafel in der Universität

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  • Dozentin und Student im Mathematik Unterricht

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  • Junger Student sitzt im Unterricht im Hörsaal

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  • Frau als Dozent im Mathematik Unterricht

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  • Vorlesung im Hörsaal einer Universität

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  • Math teacher in class with chalkboard

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  • Woman as lecturer teaches students class

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  • Student beantwortet Frage im Unterricht

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  • Frau als Mathelehrer steht an der Tafel

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  • Girls raising hand during lecture in class

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  • Students raising hand during lecture in classroom

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  • Studenten und Dozentin im Unterricht

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  • Dozentin in einer Mathematik Vorlesung

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  • Speakers handshaking on stage at business event in auditorium

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  • Fleißiger Student meldet sich

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  • Studenten im Workshop lernen im Team

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  • Students learning mathematics with teacher in classroom

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  • Online meeting with video conference from the business team

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  • Kinder melden sich im Unterricht

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  • Gruppe Geschäftsleute als Publikum

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  • Dedicated male and female employees working together while using laptops and tablet PC at workplace

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  • Frau als Lehrer unterrichtet in einer Schule

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  • Älterer Geschäftsmann bei einer Präsentation

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  • Geschäftsfrau bei Präsentation mit Publikum

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  • Studenten in einer Uni Vorlesung im Hörsaal

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  • Erwachsenenbildung Seminar als Hintergrund Header

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  • Mädchen malen im Kindergarten

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  • Schoolkids standing in row doing choir rehearsal

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  • Lehrerin gibt Klassenarbeit an Schüler

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  • Man in audience asking question to speaker at business event

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  • Orator asking audience during in business event at auditorium

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  • Studenten in einer Vorlesung in der Uni

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  • Dozentin im Mathe Unterricht an der Tafel

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  • Man in audience discussing with orator at business event

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  • Teacher looking at book held by student in classroom

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  • Lehrer beim Nachhilfe geben in Schule

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  • Students doing mathematics with teacher in classroom

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  • Teamwork in einem Mathe Workshop

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  • Lehrerin benotet Klassenarbeit für Schüler

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  • Boy raising hand while sitting in classroom

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  • Lehrerin stellt Fragen an Schüler in einer Klasse

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  • Math lessons on chalkboard

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  • Elementary students learning mathematics in classroom

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  • Audience sitting in front of panel during business seminar

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  • Geschäftsleute mit Tablet in einer Seminar Pause

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  • Zwei Ärzte hinter Theke

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  • Audience sitting in front of panel at convention center

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  • Lehrer erklärt Benotung für Schüler

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  • Dozent an der Tafel in der Uni

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  • Frau als Mathe Lehrer an der Tafel

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  • Lehrer und Schüler

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  • Kinder in Musikschule mit Glockenspiel

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  • Seniorin als Mathelehrer an Tafel in Universität

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  • Business Meeting mit online Videokonferenz im Büro

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  • Orator asking audience during business conference in auditorium

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  • Vier Kinder in der multikulturellen Schule

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  • Schüler in der Computer Klasse melden sich

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  • Frau als Referent und Geschäftsleute

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  • Woman in audience asking question to speaker at business event

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  • Teacher teaching elementary students in class

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