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Einstein formula of relativity on school blackboard

Stock Photo:
Image ID: 1394639
Release Information: N/A
Copyright: Pixel 4 Images
Small
500x376 6.9"x5.2" (72dpi) 244 KB
Med
1000x752 3.3"x2.5" (300dpi) 1.0 MB
Large
2637x1984 8.8"x6.6" (300dpi) 3.2 MB
Super
5274x3968 17.6"x13.2" (300dpi) approx.11.3 MB
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