3x-y=10
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(x+y)(x+y-10)+25=0,且x-y=3,求x,y(x+y)(x+y-10)+25=0,且x-y=3,求x,y(x+y)(x+y-10)+25=0,且x-y=3,求x,y怎么把代数问题发到这啦?我试着解答一下.由题得:(x+y)(
(x+y)(x+y-10)+25=0,且x-y=3,求x,y(x+y)(x+y-10)+25=0,且x-y=3,求x,y(x+y)(x+y-10)+25=0,且x-y=3,求x,y因为:(x+y)(x+y-10)+25=0,所以:(x+y)
若[-3(x+y)^m*(x-y)^2n]^2*[-(x+y)^2]=-a(x+y)^10*(x-y)^12-n,求m,n的值若[-3(x+y)^m*(x-y)^2n]^2*[-(x+y)^2]=-a(x+y)^10*(x-y)^12-n,
若[-3(x+y)^m*(x-y)^2n]^2*[-(x+y)^2]=-a(x+y)^10*(x-y)^12-n,求m,n的值.别复制粘贴若[-3(x+y)^m*(x-y)^2n]^2*[-(x+y)^2]=-a(x+y)^10*(x-y)
(4x-2y-z)-{5x[8y-2y-(x+y)]-x+(3y-10z)]=?kuaihuajian(4x-2y-z)-{5x[8y-2y-(x+y)]-x+(3y-10z)]=?kuaihuajian(4x-2y-z)-{5x[8y-2
解方程组x+y/6+x-y/10=3,x+y/6+y-x/10=-1x+y/6+x-y/10=3①x+y/6+y-x/10=-1②解方程组x+y/6+x-y/10=3,x+y/6+y-x/10=-1x+y/6+x-y/10=3①x+y/6+
5x+10=5y4x+4y=8要求x、y2.结算:(2x-3y)^2-(y+3x)(3x-y)利用乘法公式计算和分解因式5x+10=5y4x+4y=8要求x、y2.结算:(2x-3y)^2-(y+3x)(3x-y)利用乘法公式计算和分解因式
3x+x+4y+(90+10)x=3y-(2x+y)+510y=34x3x+x+4y+(90+10)x=3y-(2x+y)+510y=34x3x+x+4y+(90+10)x=3y-(2x+y)+510y=34xx=3
1.5(x+y)+3(x-y)=27(x+y)-3(x-y)=-62.x-y/7-x+y/10=1/22(x-y)-5(x+y)=3所谓细节决定成败,1.5(x+y)+3(x-y)=27(x+y)-3(x-y)=-62.x-y/7-x+y/
已知XY.Y=-3,求-XY(X.X.X.Y.Y.Y.Y.Y.Y.Y-3.X.X.Y.Y.Y.Y.Y-Y)的值.(过程完整)已知XY.Y=-3,求-XY(X.X.X.Y.Y.Y.Y.Y.Y.Y-3.X.X.Y.Y.Y.Y.Y-Y)的值.(过
(x+y-5)*(x+y-5)+(x-y+3)=0x*x-y*y(x+y-5)*(x+y-5)+(x-y+3)=0x*x-y*y(x+y-5)*(x+y-5)+(x-y+3)=0x*x-y*y这是什么题目?用比较直接的方法吧由题意知x+y=
已知:3x-5y=0,求x/y,x-y/y,x-y/x已知:3x-5y=0,求x/y,x-y/y,x-y/x已知:3x-5y=0,求x/y,x-y/y,x-y/x3x-5y=03x=5y→x/y=5/3y/x=3/5(x-y)/y=x/y-
2x+4y=10X*y=32x+4y=10X*y=32x+4y=10X*y=3x*y=3那么x=3/y带入上式2x+4y=10中即可求出x,y的值,
x=3/5yx-10=55%yx=3/5yx-10=55%yx=3/5yx-10=55%y将x=3/5y代入x-10=55%y得:0.6y-10=0.55y0.05y=10y=200将y=200代入x=3/5y得:x=12055%=11/2
3x=y,x-10=y-603x=y,x-10=y-603x=y,x-10=y-60X=25Y=75请及时采纳,(点击我的答案下面的【满意答案】图标)是我前进的动力!你的采纳也会给你带去财富值的.如有不明白,直到完成弄懂此题!如还有新的问题
5x=10yx+y=35x=10yx+y=35x=10yx+y=3此方程组的解x=1y=2
(X+y)平方-3(x+y)-10=?(X+y)平方-3(x+y)-10=?(X+y)平方-3(x+y)-10=?
化简:3(x+y)+5=10y+x化简:3(x+y)+5=10y+x化简:3(x+y)+5=10y+x3(x+y)+5=10y+x3x+3y+5=10y+x2x+3y+5=10y2x+5=7y
[(2x+3y)²-(y+2x)(2x-y)-10y(x+y+1)÷2y其中x=2019,y=20[(2x+3y)²-(y+2x)(2x-y)-10y(x+y+1)÷2y其中x=2019,y=20[(2x+3y)
推倒公式:(x+y)(x*x-3x+y*y)=x*x*x+y*y*y怎么做.推倒公式:(x+y)(x*x-3x+y*y)=x*x*x+y*y*y怎么做.推倒公式:(x+y)(x*x-3x+y*y)=x*x*x+y*y*y怎么做.-3x应为-