1.4x(y-x)-y②2.3x②-1/33.(x②+y②)②-4x②y②4.2x②+2x+1/25.2a(x②+1)②-2ax②6.(a-b)(3a+b)②+(a+3b)②(b-a)7.x②+y②-1-2xy8.a②-b②-4a=4b我最不擅长分式因解回答完的我会加分.怕没人接.还有.最好有过程.3q【注

来源：学生作业帮助网 编辑：作业帮 时间：2024/11/29 07:50:49
xN0_%"; [>J%n^lـ-Pلͦi@Uw)]9nPr}vOҬ<$cl_iaaE@LA.0\( 1&48Q,$R~ OaERk^B&tV dZ#sO{TOE?O?w66v}6/&9;vV#[U+GB^f@z fATZ\:fq޷G_'7ڜݚVzOS2֙ket1%yE "J4Xnuܤsq[A)[ MLzO 6b_71,y2."sQנ5ǓdNXd󬼬yvGH󲢗*j>"HMhC