（x-2/x-x+2/x）÷x^-4/4x

*-----------------------------------------------*| 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 || 3x/(x-2)-x/(x+2)÷2x/(x-4)化简3x/（x-2）-x/(x+2)÷2x/(x²-4)化简 (x/x-2-x/x+2)/4x/x-2 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 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/(1-x)+1/(1+x)+2/(1+x*x)+4/(1+x*x*x*x)+8/(1-x*x*x*x*x*x*x*x)怎么做 [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 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 [(x-4)/(x-4x+4)-(x-2)/(x+2)]÷x/(x-2) 【{x²-4x+4/x²-4}-x/x+2】÷x-1/x+2 300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 化简 [3x/(x+2)-x/(x=2)]÷x/(x^2-4)化简 [3x/(x+2)-x/(x-2)]÷x/(x^2-4 (x+1-1/1-x)÷(x-x²/x-1) (x-4/x-x-6+ x+2/x-3)÷x+1/x-3 x^2-1/x^2+4x+4÷（x+1）×x^2+3x+2/x-1计算 计算（x-4x+4/x-4减x/x+2）÷x-1/x+2