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maths formula on chalkboard in classroom

Stock Photo:
Image ID: 91777310
Release Information: N/A
Copyright:
Small
496x500 6.9"x6.9" (72dpi) 303 KB
Med
991x1000 3.3"x3.3" (300dpi) 1.1 MB
Large
4955x5000 16.5"x16.7" (300dpi) 13.2 MB
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