Mathematical equations written on a blackboard
Mathematical equations and operations written by hand with white chalk on the blackboard
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administraciasup3agiotajeblackboardblancobocetosbokehcaligrafashycentroschalkcomentarioconceptocretaeducaciasup3enseaplusmnanzaequationsescribirescritoestudiarfirmargriegahandingeniosojuntaletramanomarketingmatemaiexclticasmathematicalmensajemotivaciasup3negronmathematicaloperationspizarraplansigmasashymbolotizawhitewrittenacopyxitos
Username: Klimakm
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Width: 6000 pixels
Height: 4000 pixels
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Image ID: 196434990