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mathematics teacher writing math symbol

Stock Photo:
Image ID: 86692543
Release Information:
Signed model release filed with Shutterstock, Inc
Copyright: Dusit
Small
500x334 6.9"x4.6" (72dpi) 123 KB
Med
1000x667 3.3"x2.2" (300dpi) 369 KB
Large
4500x3000 15.0"x10.0" (300dpi) 2.6 MB
Super
9000x6000 30.0"x20.0" (300dpi) approx.7.0 MB
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