(4-x/x-2)÷(x+2-(12/x-2))计算...
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(4-x/x-2)÷(x+2-(12/x-2))计算...(4-x/x-2)÷(x+2-(12/x-2))计算...(4-x/x-2)÷(x+2-(12/x-2))计算...【(4-x)/(x-2)】
(4-x/x-2)÷(x+2-(12/x-2))计算...
(4-x/x-2)÷(x+2-(12/x-2))计算...
(4-x/x-2)÷(x+2-(12/x-2))计算...
【(4-x)/(x-2)】÷{x+2-【12/(x-2)】}
=【(4-x)/(x-2)】÷{(x²-4-12)/(x-2)}
=【(4-x)/(x-2)】÷{(x²-16)/(x-2)}
=【(4-x)/(x-2)】*{(x-2)/(x+4)(x-4)}
=-1/(x+4)
你这是求什么 X吗 那方程等于0吗 还是只用化解呢
3x/(x-2)-x/(x+2)÷2x/(x-4)化简3x/(x-2)-x/(x+2)÷2x/(x²-4)化简
300字读后感 2篇 俄把格式说一下吧:《xxxx》(写题目)主要内容:x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x(写那篇文章的主要内容)思考分析:x x x
分式计算 (x+2/x-2+4/x平方-4x+4)÷x/x-2*x-2/x
[(x+2)/(x²+2x)-(x-1)/(x²-4x+4)]÷(x-4)/x
*-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X ||
先化简(x平方-4x+4)/(x平方-2x)÷(x-4/x)
(x-2/x-x+2/x)÷x^-4/4x
(x-2分之x-x+2分之x)÷x平方-4分之4x
1.计算 :[4(x-2)+12(x+2)(x-2)-8(x-2)(x-1)]÷4(x-2)
(x/x-2-x/x+2)/4x/x-2
[x^2+2x-8/x^3+2x^2+x]÷[(x-2/x)×(x+4/x+1)]化简[x^2+2x-8/x^3+2x^2+x]÷[(x-2/x)×(x+4/x+1)]化简
[(x-4)/(x-4x+4)-(x-2)/(x+2)]÷x/(x-2)
解九宫格题目(X为未知数)9 X 2 X 7 X 8 X XX X 4 X X 9 X 6 X1 3 X 5 X X X X 24 X X 8 5 X X 1 XX 8 9 4 X 1 6 7 XX 1 X X 3 6 X X 88 X X X X 2 X 3 6X 5 X 6 X X 9 X XX X 7 X 4 X 2 X 1
【{x²-4x+4/x²-4}-x/x+2】÷x-1/x+2
解下列方程!就三道!解下列方程.1、x/x-2 - 1-x²/x²-5x = 2x/x-3(x/x-2 - 1-x²不是一起的!)2、5x/x²+x-6 - 5-2x/x²-x-12=7x-10/x²-6x+8(5x/x²+x-6 - 5-2x不是一起的!)3、x-4/x-5 + x-8/x-9=x-7/x-
先化简,再求值:(1)(x+1/x²-x-x/x²-2x+1)÷1/x,x=根号2+1 (2)(1+x-3/x+3)÷2x/x²-9 x=根号3+3 (3)4-x/x-2÷(x+2-12/x-2)x=根号3-4 (4)x-3/2x-4÷(5/x-2-x-2) x=根号3-2
通分:x+4/x^2-8x+15,x-5/x^2+x-12,x-3/x^2-x-20
|x|-2/x*x-x-12