当x=﹣1,y=﹣2时,求代数式[﹙x+2y﹚²-(x+y)(5x-y)-5y²]÷﹙2x﹚十万火急,求大师解答,求过程啊

来源:学生作业帮助网 编辑:作业帮 时间:2024/08/30 09:51:00
xSn@~J*gEj/R} ̈́Bsh$jT4$m8Mݵ9:JTzȡR}ffgl$)&`n}: jy4K$E% ]횦 xIL}FϷ..ٸ]voG!kVoEQijҐ'Je@ISHaR*CDWT}昐VWp Z#@5(i#ɒC|PVR;R,7FmC}Y:n/@Eޤ 2V,[~<@jg#@ǓRgČpBˣRWIhGIHS0t;%唄5,܍:XitvZǿXv lPy," 7y߫Զv |<Û|#ow Vkn fnsi=\ӛԽ6O"D'E C:m EgfB+%Wyo*Cfއ^e=0 v_'oJ