1,203 resultados para ecuación
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614-08065877
Senior male scientist writing molecular formula on clear board
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614-08065878
Senior male scientist writing molecular formula on clear board
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632-05991483
Mass-energy equivalence formula (E = mc2) written on blackboard
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6113-07808448
Scientist drawing chemical formula on glass for business people and colleagues
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614-06898228
Woman solving mathematical equation
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6122-07698176
Young man with diagram on window
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649-06113743
Student writing math on chalkboard
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6111-06727601
Illustration on scientific experiment with blackboard
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649-08232606
Scientist writing formulae on window of laboratory in graphene processing factory
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614-06973707
Oenologist monitoring sample testing in laboratory
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6128-08728257
Mathmetician working to solve equation.
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614-06973706
Oenologist monitoring sample testing in laboratory
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614-06973712
Oenologist mixing during sample testing in laboratory
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614-06973717
Laboratory technicians checking contents in laboratory beakers
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632-03501114
Math teacher explaining equation
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700-03451627
Man Looking at Math Equations
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614-02762785
Boy in front of blackboard
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614-02983990
Scientist writing a formula
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846-05647177
1960s SCIENCE PROFESSOR WRITING A FORMULA FOR CHELATING AGENT ON CHALKBOARD
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6111-06727558
Colored pencil on note pad with mathematics book
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6116-07235687
Three school children doing math equations on the blackboard
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614-06896633
Scientist writing scientific symbols on glass
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614-02762784
Boy with formulae on blackboard
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614-02762687
Boy with formulae on blackboard
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614-02762787
Graduating girl in front of blackboard
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630-03480987
Scientist writing chemical formula
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6116-07235686
Schoolgirl doing math equation on the black board
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630-03480984
Scientist writing chemical formula
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630-03480814
Scientist writing chemical formula
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614-06043808
Young man using digital tablet with diagram on window
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614-02983976
Male scientist working out a formula
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630-03480812
Scientist writing chemical formula
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630-03480976
Scientist writing chemical formula
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614-02762638
Boy looking at blackboard
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630-03480813
Scientist writing chemical formula
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632-03501071
Writing mathematic equation on whiteboard
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649-06845128
Mathematicians writing complex scientific equations on screen
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614-06973721
Oenologist on cellular phone
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614-06973704
Oenologist mixing during sample testing in laboratory
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649-07064777
Boy standing beside blackboard with algebra
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630-03480986
Scientists at work on a problem
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614-02983998
Scientist looking at a formula
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614-02762679
Girl writing on blackboard
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630-03480978
Scientist writing chemical formula
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614-06043810
Two people writing formula on window
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630-03480815
Scientist writing chemical formula
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614-02762625
Students in front of blackboard
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614-06973710
Oenologist mixing during sample testing in laboratory
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6116-07235690
Schoolboy in front of blackboard with hands on chalkboard
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614-02762673
Boy leaning on blackboard
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614-02762654
Girl moving in front of blackboard
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6116-07235688
Portrait of schoolgirl in front of blackboard with math equations
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6116-07235689
Schoolboy in front of blackboard with head in his hands
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630-03480989
Scientist thinking in a lab
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630-03480821
Scientist writing chemical formula
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630-03480975
Scientist writing chemical formula
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630-03480817
Scientist writing chemical formula on a clipboard
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630-03480983
Scientists at work on a problem
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614-02762658
Boy with apple by blackboard
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614-06973709
Woman working in laboratory
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630-03480988
Scientist writing chemical formula
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846-02797123
1930s 1940s MAN TEACHER PROFESSOR LOOKING AT CAMERA WITH POINTER AT BLACKBOARD
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614-02762645
Boy writing on blackboard
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630-03480816
Scientist writing chemical formula on a clipboard
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695-05770710
Math teacher pointing to arithmetic on whiteboard
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632-03193669
Elementary teacher writing arithmetic on blackboard, rear view
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630-03480985
Scientists at work on a problem
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693-06020442
Scientist Standing in Front of Whiteboard
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632-03193666
Elementary teacher writing math equations on blackboard
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630-03480991
Close-up of a female scientist smiling
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846-02797560
1950s MATH TEACHER STANDING IN FRONT OF BOARD HOLDING CHALK AND ERASER
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614-06973711
Oenologist mixing during sample testing in laboratory
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649-02055317
Two women write on glass panel
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6113-09027277
Male teacher leading physics lesson at whiteboard in classroom
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630-03480979
Scientists at work on a problem
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630-03480810
Scientist writing chemical formula
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632-03501087
Man writing equation on whiteboard
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