(x-4)+(x+4)+(x÷4)+4x=250 x是多少

*-----------------------------------------------*| 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 || (x/x-2-x/x+2)/4x/x-2 x*x*x-4x*x+12x分解因式 因式分解（X-X)(x-X-4)+4 【{x²-4x+4/x²-4}-x/x+2】÷x-1/x+2 [(x-4)/(x-4x+4)-(x-2)/(x+2)]÷x/(x-2) 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 化简 [3x/(x+2)-x/(x=2)]÷x/(x^2-4)化简 [3x/(x+2)-x/(x-2)]÷x/(x^2-4 3x/(x-2)-x/(x+2)÷2x/(x-4)化简3x/（x-2）-x/(x+2)÷2x/(x²-4)化简 (x+1-1/1-x)÷(x-x²/x-1) (x-4/x-x-6+ x+2/x-3)÷x+1/x-3 x^4表示（ ） A.4x B.x+x+x+x c.x*x*x*x D.x+4 (4+x)/(4-x) x 加4x 因式分解x+x^4 (1+x)(4-x) (x-a)(x-4) 4x立方-x