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  • Mann mit Vollbart als Arbeiter oder Handwerker

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  • Confident German engineer in his fifties with professional attire and short hair

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  • Kind als Schüler für unsere Zukunft

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  • Portrait of a senior man in his 60s with thinning ash hair, wearing a salmon polo, looking thoughtful against a dark background

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  • Kind mit Hornbrille steht hinter einer Tafel

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  • Geschäftsmann hält leere Kreidetafel

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  • Beauty Fashion Stil mit afrikanischer Frau

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  • Student ärgert sich über Mathe Aufgabe

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  • Deckung hinter der Tafel

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  • Dozentin unterrichtet Mathematik

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  • Schüler vor Tafel jongliert mit Schreibwaren

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  • Schülerin hebt Hand im Unterricht

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  • Wand im Klassenraum mit Schultafel und Lautsprechern

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  • Schüler hinter leerer Tafel in Schule

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  • Indian man in 60s, delighted, short grey hair, brown sweater

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  • Israeli businessman in 50s, gray hair, black suit

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  • Seniorin als Mathelehrer an Tafel in Universität

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  • Alles Gute zur Einschulung!

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  • Mädchen als Schüler in einer Prüfung

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  • Portrait of a smiling ginger-haired man in his 60s wearing a striped shirt against a neutral background

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  • Daumen hoch vor Tafel

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  • Australian teen, brown hair, white hoodie, copy space

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  • Elegant senior French woman with short white hair, wearing earrings

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  • Kind zeigt leere schwarze Tafel

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  • Spirited individual, 20s, androgynous, red hair

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  • European man in 60s, medium gray hair, black background

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  • Niedliches Kind hält leere Tafel

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  • Confident Melanesian man in his 30s posing with a subtle smile in a studio

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  • Casual Asian teen with spiky brown hair posing in front of blue background

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  • Junge hört aufmerksam zu beim Vorlesen

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  • Person analyzing complex flowchart on a chalkboard

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  • Junge lächelnde Frau vor einer Wand

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  • Confident businessman smiling in a bright office environment

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  • Portrait of a smiling Asian senior man with grey hair wearing a green sweater

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  • Kind hält Tafel mit Zahlen und Buchstaben

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  • Man in 40s with short hair, black & white studio

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  • Mathematik Dozentin zeigt die Lösung einer Formel

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  • Woman holding empty blackboard

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  • Woman with light bulb and question marks on chalkboard background

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  • Happy pupil with crossed arms

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  • Frau hält Konzept für Profit auf Tafel

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  • Student in front of success and motivation concept on blackboard

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  • Mann mit Laptop Computer als Programmier

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  • Radiant senior woman with a joyful smile and stylish short curls posing against a purple background

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  • Delighted Indian man in 60s, short grey hair, blue theme

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  • Leere Betten im hellen Krankenzimmer

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  • Thoughtful Central European man in his 30s with tousled hair wearing a suit

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  • Elderly man in green sweater smiling against a soft green background

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  • Schüler neben Tafel mit Danke Text

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  • Frau als Mathelehrer steht an der Tafel

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  • Kind mit Brille zeigt auf das Wort Einschulung

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  • Lachendes Kind hält beide Daumen hoch

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  • Smiling business man in the city

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  • Starke afrikanische Frau mit aufgemalten Muskeln

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  • Kind an Tafel

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  • Smiling middle-aged man in green sweater on yellow background

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  • Tafel mit Für unsere Zukunft

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  • Man analyzing flowchart on blackboard for business strategy or project planning

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  • Schwerer Bücherstapel unter dem Arm

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  • Frau mit Computer Laptop mit Muskel Armen als Kompetenz Konzept

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  • Fatigue student sleeps on his desk

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  • Geschäftsmann hält leeres Schild

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  • Confident Spanish executive in his 40s with a sleek back hairstyle

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  • Alter Mann tanzt im Fitnesscenter

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