3X(lx2+2X3+3X4+……+99X100)=
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/25 20:15:13
x)3x#H(X8DQ2 Ҷ040x&Hev6DgRQTQamRamZaTVTfkiPV 3O7*
$ف, yD
3X(lx2+2X3+3X4+……+99X100)=
3X(lx2+2X3+3X4+……+99X100)=
3X(lx2+2X3+3X4+……+99X100)=
1x2+2x3+3x4+4x5+5x6+...+99x100=99*100*101/3= 333300
333300×3=999900
3X(lx2+2X3+3X4+……+99X100)=
因式分解x4+x3+2x2-x+3
1+x+x2+x3+x4=0,那1+x+x2+x3+x4+……+x2004=?注意:2 3 4 2004都表示 方 .
运筹学……对偶问题.maxz=x1+2x2+3x3+4x4-x1+x2-x3-3x4=56x1-7x2+3x3-5x4
1X2+2x3+3x4+……+2013x2014
计算3x(1x2+2x3+3x4+……+99x100)的值是A97x98x99 B98x99x100 C99x100x101D100x101x102
3x(1x2+2x3+3x4+…+99x100)=
因式分解:2x4+3x3-6x2-3x+2
因式分解:x5-3x4+2x3-x2+3x-2
因式分解:x5-2x4-3x3+x2-2x-3
x4+4x3+3x2-2(x+3)因式分解
6x4+5x3+3x2-3x+2因式分解
因式分解:x4-x3+3x-3
1/1×2+1/2x3+1/3x4+……+1/99x100
计算1x2+2x3+3x4+……+99x100=?
1/1X2+1/2X3+1/3X4+……+1/2012X2013=2012/x,则x=
3X(1X2+2X3+3X4+...+99X100)=?
3x (1x2+2X3+3x4...+99x100)=