1.(1+2/X-X+1/X-2)÷X+4/X²-2X
来源:学生作业帮 编辑:拍题作业网作业帮 分类:数学作业 时间:2024/04/30 14:06:25
1.(1+2/X-X+1/X-2)÷X+4/X²-2X
2.2X/2X-1+X/X-2=2
3.X-6Y/X²-4Y²+2Y/X²-2XY
4.已知a-b/X=b-c/Y=c-a/Z且a,b,c互不相等,求x+y+z
2.2X/2X-1+X/X-2=2
3.X-6Y/X²-4Y²+2Y/X²-2XY
4.已知a-b/X=b-c/Y=c-a/Z且a,b,c互不相等,求x+y+z
你的括号丢得太多了,我猜猜猜
1、实在猜不出来,哪里该有括号
2、2X/(2X-1)+X/(X-2)=2
[2X(X-2)+X(2X-1)]/(2X-1)(X-2)=2
2X^2-4X+2X^2-X=4X^2-5X=2(2X^2-4X-X+2)=4X^2-10X+4
5X=4,X=4/5
(X-6Y)/[(X-2Y)(X+2Y)]+2Y/X(X-2Y)
=(X^2-6XY+2XY+4Y^2)/[X(X-2Y)(X+2Y)
=(X^2-4XY+4Y^2)/[X(X-2Y)(X+2Y)
=(X-2Y)/[X(X+2Y)]
a-b/x=b-c/y=c-a/z=k
(a-b)/k=x,(b-c)/k=y,(c-a)/k=z
x+y+x=0
1、实在猜不出来,哪里该有括号
2、2X/(2X-1)+X/(X-2)=2
[2X(X-2)+X(2X-1)]/(2X-1)(X-2)=2
2X^2-4X+2X^2-X=4X^2-5X=2(2X^2-4X-X+2)=4X^2-10X+4
5X=4,X=4/5
(X-6Y)/[(X-2Y)(X+2Y)]+2Y/X(X-2Y)
=(X^2-6XY+2XY+4Y^2)/[X(X-2Y)(X+2Y)
=(X^2-4XY+4Y^2)/[X(X-2Y)(X+2Y)
=(X-2Y)/[X(X+2Y)]
a-b/x=b-c/y=c-a/z=k
(a-b)/k=x,(b-c)/k=y,(c-a)/k=z
x+y+x=0
1.(1+2/X-X+1/X-2)÷X+4/X²-2X
1.x²-4 2-x x
x²-1/x²-2x+1÷x+1/x-1 X 1-x/1+x
计算:[(x²-2x+1)/(x²-1)]÷[(x-1)(x²+x)]-x
当x等于1949时求代数式x²-4分之x²-4x+4÷x+2分之x²-2X+x分之一+1
化简~(x²+3x+9/x²-27)+(6x/9x-x²)-(x-1/6+2x)
化简求值【(x-2/x²+2x)-(x-1/x²+4x+4)】/(x-4/x+2)其中x²
(x²-2x)²+2x²-4x+1
1.(x²-x+2)(-x-2-x²)
(x-3)|2-x| /(x-1)x²
2(x²-1²)
4x²-[2x-(x²-2x+3)-2(x²-3x)] 计算