x/y=2,求分式x²-xy+3y²/x²+xy+6y²
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/18 08:33:50
x)Я5yiG=jťFֺƕ>TL(fI*'W~
EjTAiy#M[dJ#}
$9 _VDHDHLTF 12 [
x/y=2,求分式x²-xy+3y²/x²+xy+6y²
x/y=2,求分式x²-xy+3y²/x²+xy+6y²
x/y=2,求分式x²-xy+3y²/x²+xy+6y²
(x2-xy+3y2)/(x2+xy+6y2)=(x2-xy+3y2)/y2/((x2+xy+6y2)/y2)
=(4-2+3)/(4+2+6)=5/12