1-1:3x2-19xy+6y2 1-2:8x2+6x+xy-y-18 1-3:-7/2x2+15/2xy-12y 110p1.1)y5-4x3y2+4xy3 (2)3x5-x2y+3x3y-y2(3)x3-2x2y-3xy2+6xy+6y2(4)x3+2x2y-2xy2+3y3칸부족요ㅠ
당신은 어느 그룹입니까?