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Smart boy in front of blackboard with physics formula

Stock Photo:
Image ID: 121829755
Release Information: Signed model release filed with Shutterstock, Inc
Small
500x334 6.9"x4.6" (72dpi) 153 KB
Med
1000x667 3.3"x2.2" (300dpi) 643 KB
Large
3654x2436 12.2"x8.1" (300dpi) 5.1 MB
Super
7308x4872 24.4"x16.2" (300dpi) approx.23.1 MB
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