1.若3x-2y=0,则(x+y):(x-y)=______
来源:学生作业帮助网 编辑:作业帮 时间:2024/10/20 21:19:34
xSn@~=be,꽇^ATP7'UiRHQ6ڪM^ۜ
B$8ٙow\:ֆj +$ju#*%;1eW^1Ȋ'$ GئNЫЦ֍Dv=:35!=Jc(Rxyu?/l&K:Iˊd
VЄ@ЙR$I˜Ou3)i~#NTO57adV~]_斪feґʓ$mz!R^9Y]|nh
p.ʈγOQg0Ene~qћ5Vs_-ϘdC \-$
LRx07S9fp}X,8]6"4q!9&Px]hvS}x
B!*;#cv
L<sL϶J7{':X]cB.L=*@' oZJlG+#od]zENBS+ y9C' %#QfTm@yj
#c7`&?͙|JqӅX7_hZV
若3x-5y=0,则x+y/x=(),x-y/y=(),2x-3y/2x+3y=( )
1.若3x-2y=0,则(x+y):(x-y)=______
若x-y不等于0,2x-3y=0,则分式(10x-11y)/(x-y)的值是()?(10x-11y)/(x-y) =[(8x-8y)+(2x-3y)]/(x-y) =8为什么8X-8Y=8?(10x-11y)/(x-y)=[(8x-8y)+(2x-3y)]/(x-y)=8+(2x-3y)]/(x-y)=8+0=8
(5)若x/2=y/3(y不为0)则x/y=____,x+y/y=___,y/x-y=___.
若y=x(x-1)(x-2)(x-3),则y′(0)=
若|x-3|+(y+2)=0,则(x-y+4xy/x-y)(x+y-4xy/x+y)的值是
若|x-3|+(y+2)²=0,则(x-y+4xy/x-y)(x+y-4xy/x+y)的值是
若x+y=4,则多项式1/2(x+y)+4(x-y)-3(x-y)-3/2(x+y)-x+y值是()
若(X-Y+3)的平方+2X+Y的绝对值=0则X= ( ),y=( )
若(x-y)/(x+y)=3 则(x+2y)/(6x-7y)等于
若x,y互为相反数(y≠0),则2x+5+2y+3x/y=____
若2x-3y+4=0则x(x*x-1)+x(5-x*x)-6y+7
若2x=3y,则(x*x+y*y)/x*x=?
若x、y互为相反数,则x+2x+3x+...100x+100y+99y+98y+...+y
若x,y满足约束条件x≥0,x+2y≥3,2x+y≤3则z=x-y的最小值是多少?
若实数x,y满足x的平方+y的平方-4x-2y+5=0,则(x+y)/2x-3=
若x,y满足|2x-y-3|+|3x+2y+1|=0,则x= y=
若线段x ,y 满足[2x-3y]*[3x+2y]=0 则x/y=?