#2587727People take a nationwide math test.Sign in or register,to downloadAdd to cartRemove from cartCategories: EducationLocation: Moscow, RussiaEvent date: 14.03.2015Date published: 14.03.2015Author: Maksim BlinovSource: SputnikCredit: SputnikOriginal: DigitalMedia: JPEG, 4626x3198px, 6.7Mblandscapemathematicstablet