Svetochik Svetochik 22-01-2021 Mathematics contestada у 8 8+ 7+ 6+ 5+ 4+ 3+ N 1 + -8 -7 -6 -5 -4 -3 -2 -1 2 3 4 5 6 7 8 do NS -4 -5+ -6 -7+ -87
