#3020215An equation on the interactive whiteboard in Moscow Lyceum 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, 4247x2756px, 7.2Mbclassdisplayformulahandhorizontalinteractive whiteboarditknowledgelandscapelearningpupilschoolscreenstylusteaching