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Hakutulokset: "knowledge" kaikista kielivaihtoehdoista (Yhteensä 930 kuvaa). kuvaa/sivu

Edelliset 10 sivua Edellinen sivu 1 .. 12 13 14 15 16 17 18 .. 24 Seuraava sivu Seuraavat 10 sivua
Pretty young female student with a laptop computer on college/university campus
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young pretty female college student sitting in a classroom full of students during class
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young pretty female college student sitting in a classroom full of students during class
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Beautiful young woman holding tablet pc against her mouth
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Pretty, female college student in a library, looking for a book (shallow DOF; color toned image)
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Genius girl in red glasses near blackboard with formulas
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Audiobook concept - listen to your books in HD quality; hi-end hifi headphones over multiple books on white
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Pretty, young college student wiping the chalkboard/blackboard between classes (shallow DOF; color toned image)
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Senior chemistry professor giving a lecture in front of classroom full of students (shallow DOF; color toned image)
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Cute school girl examining dna molecule with microscope
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Pretty young college student in a library (shallow DOF; color toned image)
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In the library - pretty, female student with books, papers and laptop computer working in a high school library (color toned image)
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In the library - pretty, female student with books, papers and laptop computer working in a high school library (color toned image)
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Pretty female student standing at bookshelf in university library store shop searching for a book
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In the library - pretty, female student with books, papers and laptop computer working in a high school library (color toned image)
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In the library - pretty, female student with books, papers and laptop computer working in a high school library (color toned image)
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In the library - pretty, female student with books, papers and laptop computer working in a high school library (color toned image)
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Portrait of a pretty young college student writing on the blackboard during a maths class (color toned image)
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Senior chemistry professor writing on the board while having a chalk and blackboard lecture (shallow DOF; color toned image)
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happy young boy at first grade math classes solving problems and finding solutions
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happy child group in schoold have fun and learning leassos while looking for solutions and problems and rise a hand
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happy children group in school classrom taking notes and learning biology and anatomy lessons with teacher
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happy school girl on math classes finding solution and solving problems
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Group of college/university students during a brake between classes - chatting, comparing notes, having fun (shallow DOF; color toned image)
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Portrait of a pretty young college student writing on the blackboard during a maths class (color toned image)
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College students sitting in a classroom during class (shallow DOF; color toned image)
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Pretty, female student looking at a desktop computer screen, learning unpleasant news about her exam results. University/office/school concept
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Pretty, female student looking at a desktop computer screen, learning unpleasant news about her exam results. University/office/school concept
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Pretty, female college student in a library, looking for a book (shallow DOF; color toned image)
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Young man holding huge book above head
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Young man holding huge book above head
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Pretty young college student in a library (shallow DOF; color toned image)
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happy young teens group in school have fun an learning lessons
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book symbol on gray background
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Close up of man holding pile of books in hands
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Cute girl with microscope against blackboard. Elements of this image are furnished by NASA
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Successful study symbol on white background
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Pretty, young female college student using a desktop computer/pc in a college library (shallow DOF; color toned image)
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Quantum optics - hand of a researcher adjusting a laser beam in a lab
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Woman in casual wear hiding her face behind book
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Edelliset 10 sivua Edellinen sivu 1 .. 12 13 14 15 16 17 18 .. 24 Seuraava sivu Seuraavat 10 sivua