解二元一次方程组,急用!0.8x-1.7y=-75x-3y=24x+y=45x-1=1.8-x-6yx/5-y/2=-4x/15-y/7=-3(2x-y)/5=(x=y)/3=3x/2-(2/3)y=-(2/15)x/2-(5/3)y=-(4/3)
来源:学生作业帮助网 编辑:作业帮 时间:2024/12/02 21:20:22
x͑N0_%lI9;N2}x Tbo*BB7Ux|[i 02gwaxUɸ~Ywd%"$
\KP(d ъ
ДI&M%p)WD.|Fy`^3E`*&6uɬټey Kڶ\"7wK6خAwm>s{"2̭2R
&,679ĞAJK;@NY01YА E 3sBT̺Ɉ+f㏋ޞף{