am-an-mˆ2+nˆ2aˆ2-9bˆ2+2a-6ba(a-1)(a-2)-6已知xˆ2+10xy+25yˆ2-1=0,化简xˆ3+5xˆ2y+xˆ2

来源:学生作业帮助网 编辑:作业帮 时间:2024/10/19 18:49:09
xRN@$tھ39߲mY]DBP "4i)(\R8B1 EݙjH0!;?`mV #( f,eDTU.o^&Vȉ+8]a#{F(HS {}H$K2S-^o vy01g`;yiC@jc뿳ߩ/A-\&嶞,k%_O ti/k6Pw UKqЕS`_+xA