[질문] 비상9-가 개넘플러스유형파워 중 유형편53~56페이지답좀요꼭요ㅜ

53P (x+3)(y-1),(x+3)(x-8),(x-y-5)(x-y+8)/(a-1)(b-1)/(x+y-1)(x-y+1)/3/13,-10/12,-2 54P (a+1)(a+2)/3/1/(x+y+2)(x+y-3),(x+2y+2)(x+2y-5)/2/-2(x+4y)(3x-2y)