woman student came idea stands blackboard covered with formulas solving mathematical exercise |
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navigate by keyword : student woman knowledge idea theorem algebra geometry exam formula board answer solution intellect education female lady pupil schoolgirl scientist chalk chalkboard math science study learn blackboard success human lesson mathematic girl think mathematician equation lecturer teacher resourceful positive casual solves explains school college university classroom vector illustration person isolated concept |
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Woman student came up idea stands at blackboard covered with formulas solving mathematical exercise. Light bulb near head of student girl raised finger having come up with brilliant idea |
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