解100（1+x)+100(1+x)^2=250求 100（1+x)+100(1+x)^2=250 的值（^2为平方）再麻烦问一下（根号11-3/2)约等于百分之几？

解方程：2x+4x+6x...+100x=1-(x+3x+5x+...+99x) x(x-1)(x-2)...(x-99)(x-100) 解方程2X+0+X*X+1=100 1/X(X+1)+1/(X+1)(X+2)+1/(X+2)(X+3).+1/(X+99)(X+100)= 1/(x+1)(x+2)+1/(x+2)(x+3)+1/(x+3)(x+4)+...+1/(x+100)(x+101) 1X+2X+3X…+98X+99X+100X=50500X X等于多少? 1x+2x+3x+4x+5x+6x+7x…+99x=100 计算1/X(X+1)+1/(X+1)(X+2)+.+1/(X+99)(X+100) 设函数f(x)=(x-1)(x-2)...(x-100)(x>100),求F'(X) f(x)=x(x-1)(x-2)…(x-99)(x-100),求f'(100) 计算1/x(x+2)+1/(x+2)(x+4)+…+1/(x+98)(x+100) 1/2x+1=1/2-1/3x x-2x+3x-4x+...+99x-100x=25解方程 小学六年级下册数学解方程.. 要详细的.. 还要过程 都写下来...2x+3x=60 3.6x-2.8x=12 100x-x=198 18x+2x+60 5x+6x=12.1 6.6x-5x=8 4x-x=24 1.5x-x=1 1.9x+0.4x=9.2 已知x^4+x^3+x^3+x^2+x^1+1=0,求x^100+x^99+x^98+x^97+x^96的值 一个“整式的乘法”的问题请先阅读下列解题过程,再仿做下面的问题.已知X*X + X - 1=0,求X*X*X + 2*X*X + 3的值.解X*X*X + 2X*X +3=X*X*X +X*X -X +X*X +X +3=X{X*X +X -1} +X*X +X -1 +4=0+0+4=4+ x + X*X + X*X*X=0.+ X*X + X*X*X 一道数学题：1/x-1+1/(x-1)(x-2)+1/(x-2)(x-3)+.+1/(x-99)(x-100) 分式：计算1/(x-1)+1/(x-1)(x-2)+1/(x-2)(x-3)+...+1/(x-99)(x-100) 1/(x+1)+1/(x+1)(x+2)+1/(x+2)(x+3)……+1/(x+99)(x+100)