若|3y-2x-5|+(3x+4y-1)^2=0,求x+y
来源:学生作业帮助网 编辑:作业帮 时间:2024/10/06 17:42:16
xRN@BFMZ>D?ݴ$Z_
,j((XԅWhdso=̹#f3dH+ ssL<-3
')^^fqe-T2#d5= 4GU@oU0:}yE
Zh"0xRd!%
I[yܬmjvqm9~Ez:vXj]N:&8JK?£mIكxh-,_jD[wӮ >`aErsΌ+
ns~ۆ\.fUn˶XtY-YO8$JFWН3c'D-,6v) `-Ra
z߂4RS0\MxMoOХ=D]ڃk4fŹ`?H+
#
化简[(3x+4y)^2-(2x+y)(2x-y)+(-x+y)(5x-y)]除以-2y,其中x=-1,y=1
因式分解(x-2y)(x-3y)+(x-4y)(x-5y)+(x-3y)(x-5y)+(x-2y)(x-4y)
x²/xy-x/y 3x/4x+y - x-2y/4x+y (1-y/y+x)÷x/y²-x²
若2x-3y+4=0则x(x*x-1)+x(5-x*x)-6y+7
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=-1/4,能否确定代数式(2x-y)(2x+y)+(2x-y)(y-4x)+2y(y-3x)的值?
若2/x-1/y=3,求[y/x-y/x-y(x-y/x-x+y)]/x-2y/x的值
若x^5+x^4y+x^4+x+y+1=0,且3x+2y=1,求x,y的值
5/4(x+y)(-x-y)^3*[-4/3(x-y)]*[-3/5(y-x)^2]
5x^3y(x-y)^3-10x^4y^3(y-x)^2因式分解
5x^3y(x-y)^3-10x^4y^3(y-x)^2
5X^3Y(X-Y)-10X^4Y^3(Y-X)^2因式分解
(2x-y)(3x-4y)-2(x-y)(2x-5y)简便运算
(x-y)/(x+y)=3求( 3x-2y-1)/(x+y-5)
3(x+y)+2(x-y)=36 4(x+y)-5(x-y)=2
{3(x+y)-4(x-y)=4 {x+y/2 + x-y/6=1
4(x-y)-3(x-y)=9 5(x-y)+2(x-y)=11
3(x+y)-4(x-y)=11,2(x-y)+5(x+y)=27