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Several complex mathematical formulas, equations, and geometry written on a smooth black board.

Stock Photo:
Image ID: 51221164
Release Information: N/A
Copyright: Vlue
Small
500x330 6.9"x4.6" (72dpi) 123 KB
Med
1000x659 3.3"x2.2" (300dpi) 350 KB
Large
4121x2717 13.7"x9.1" (300dpi) 1002 KB
Super
8242x5434 27.5"x18.1" (300dpi) approx.2.1 MB
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