[질문] 신사고 쎈 9-가 92~95답지좀,84~85쪽두

90쪽부터 2x-3 5 3 (1/3a+3/4b)^2 5 4 2(x-4)^2 4 5 5 3 1 2 플마6xy 4 1 3 5 5 5 3 1 4 2 5 (xy+4/5)(xy/4/5) 4 3,5 4 1 5 2,3 4 4 2x-2 1 1,5 4 8x+3y 5 2 8 4