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Vector illustration of a chalk board filed with equations. Look for vector version at my portfolio.

Stock Photo:
Image ID: 71167471
Copyright:
Small
500x500 6.9"x6.9" (72dpi) 381 KB
Med
1000x1000 3.3"x3.3" (300dpi) 1008 KB
Large
3750x3751 12.5"x12.5" (300dpi) 3.4 MB
Super
7500x7502 25.0"x25.0" (300dpi) approx.6.7 MB
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