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Published: 2012-01-09 10:25:49.240665 Category: School Type: Photo Model release: No
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energy formula on chalkboard

Contributor: Grasko
ID : 38044401
TitleFilesize
Photo3000x2000


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Keywords
summing, albert, black, blackboard, chalk, blackboard, class, classroom, drawing, education, einstein, energy, equal, equal, equation, formula, idea, learn, lesson, massa, mathematic, mathematic, mc, number, of, physics, relativity, science, signs, study, symbol, instructing, theory, write


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