49쪽 정답 1.-2 2.a=2,b=7,c=8 3.0 4.(1)-3x^2-22xy-24y^2(2)-3x^2+x+(1/4)xy-(1/12)y(3)2x^2-xy+2x-y^2+y(4)-3x^2+5xy-2y^2+12x-8y(5)15a^2-1.1a+0.02 5.4 6.33
[무물보AI] 답변 로딩중...