数学题(x-1)(x-3)(x+4)
数学题(x-1)(x-3)(x+4)
不等式数学题 (x^2-4)/|x|-1
数学题1/3-x-2=1/x-3+4-2x/3x^2-27
初升高数学题分解因式X^4-4X^3+3X^2+2X+1
数学题因式分解[X加1]×[X加2]×[X加3]×[X加4]加1
初一数学题(x-1)(x-2)(x-3)(x-4)有没有简单方法计算?
数学题3x²-4x-1=0
求一道数学题.先化简:(3/x+1-x+1)÷x^2-4x+4/x+1,然后从-1
数学题在线解答1/(x+1)*(x+2)+1/(x+2)*(x+3)+1/(x+3)*(x+4)+.+1/(x+99)*
一道数学题:1/x-1+1/(x-1)(x-2)+1/(x-2)(x-3)+.+1/(x-99)(x-100)
几道课外数学题(x^2+4x+8)^2+3x(x^2+4x+8)+2x^2(x^2+x+1)(x^2+x+2)-12(x
x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4