#3020138A student resolves a task on an interactive blackboard at School No 1571.Sign in or register,to downloadAdd to cartRemove from cartPackage: E-class in Moscow schoolCategories: EducationLocation: Moscow, RussiaEvent date: 02.02.2017Date published: 02.02.2017Author: Grigory SysoevCredit: SputnikSource: SputnikOriginal: DigitalMedia: JPEG, 5072x3592px, 9.9Mbinteractive blackboarde-blackboardclassdisplaygirlhorizontalknowledgelandscapeschoolscreenstudentstylusteachteacherwrite