x的2方(x-y)+2x(x-y)-(y-x)
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 21:40:55
x)x>ٴF`ZWRB&H~
E&(bU
&*l
#k
mCM "g_\gr K
x的2方(x-y)+2x(x-y)-(y-x)
x的2方(x-y)+2x(x-y)-(y-x)
x的2方(x-y)+2x(x-y)-(y-x)
x的2方(x-y)+2x(x-y)-(y-x)
=x的2方(x-y)+2x(x-y)+(x-y)
=(x-y)(x²+2x+1)
=(x-y)(x+1)²
x的2方(x-y)+2x(x-y)-(y-x)
实数x,y满足x方+y方=2x,则x方-y方的最大值为________.
4x方y/(x-2y)(x+2y)怎么算[x方/x-2y]-4x方y/(x-2y)(x+2y)=?
计算 x方/x-y+y方/x-y-2x方y-2xy方/x方-2xy+y方 答案为x+y
实数X,Y满足(X-2)方+Y方=3 求Y/X的最大值
先化简,再求指:1/2X-1/X+Y(X方-Y方+X+Y/2X)
已知实数x,y满足x-y=2,x方+y方=4,求x,y的值
正数X Y满足X方-Y方=2XY 求X-Y/X+Y的值
实数x,y满足(x方+y方)的平方+(x方+y方)-2=0.则x方+y方的值是
因式分解 x方+y方-xy+2x-y+1
x方-2x+y方-6y+10 因式分解
x方-4y方+2x-4y
已知:3x方+xy-2y方=0,求(x+y/x-y + 4xy/y方-x方)除以 x方+2xy-3y方 / x方-9y方的值?
已知x+y=5,x方+y方=13,求代数式x方y+2x方y方+xy方的值
已知实数x y满足(x方-y方)(x方-y方-1)=2,求x方+y方的值.
计算 x-2分之x方+1-2-x分之3-4x (x+y)x方-y方分之x方+y-x分之y方
已知x方+2xy-y方=7,求x方+y方的最小值
已知x+y=1,求(x方-y方)的平方-2(x方+y方)