作业帮3x+(100-x)*1/3=100
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3x+(100-x)*1/3=100
3x+(100-x)*1/3=100
3x+(100-x)*1/3=100
1/X(X+1)+1/(X+1)(X+2)+1/(X+2)(X+3).+1/(X+99)(X+100)=
解方程：2x+4x+6x...+100x=1-(x+3x+5x+...+99x)
1X+2X+3X…+98X+99X+100X=50500X X等于多少?
1x+2x+3x+4x+5x+6x+7x…+99x=100
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
f(x)=x(x-1)(x+2)(x-3)(x+4)……(x+100),求f'(1)
x-2x+3x-4x+5x.+99x-100x=25求解
2x+3x+4x+5x+x+6x+7x=100
3x=x+100 x=?
已知x=100,求x(x+1)分之1+(x+1)(x+2)分之1+(x+2)(x+3)分之1+.+(x+99)(x+100)分之1
x+2x+3x+.+100x
1/x(x+1)(x+2)+1/(x+1)(x+2)(x+3).+1/(x+98)(x+99)(x+100)=?
x^4+X^3+X^2+X^1+1=0求x^100+X^99+X^98+X^97+X^96的值
1/2x-8 x+3x+(1/2x-8)=100 x=?
1/2x-8 x+3x+(1/2x-8)=100 =x?
已知x^4+x^3+x^2+x+1=0,求x^100+x^99+x^98+x^97+x^96的值.
已知x^4+x^3+x^2+x^2+1=0,求x^100+x^99+x^98+x^97+x^96的值见上
已知x^4+x^3+x^2+x+1=0,求x^100+x^99+x^98+x^97+x^96的值