请问x+x2+x3+x4+x5+x6+x7+x8+x9=17.39,x等于多少啊?（注：x后面的数字为*次方）请给出计算公式过程.请给出计算公式过程 和 结果，具体X=

x8+x7+x6 +x5+x4+x3+x2+x+1因式分解 x8+x7+x6+x5+x4+x3+x2+x+1因式分解 请问大神知道下面这个方程怎么解吗?手工解决,要求满足方程条件,给出最优解minZ= X1+X2+ X3+ X4+ X5+ X6+ X7S.T: X1+ X3+ X4+ X5+ X6+X7≥46 X1+ X2+ X4+ X5+X6+ X7≥48 X1+ X2+ X3+ X5+X6+ X7≥52 X1+ X 一道数学题:如果1+x+x2+x3=0,求x+x2+x3+x4+x5+x6+x7+x8的值 x1-x2+x3=1x2-x3+x4=21若x1,x2,x3,x4,x5满足方程组 x3-x4+x5=3x4-x5+x1=4x5-x1+x2=5求x2 x3 x4的值2已知 x1+x4+x6+x7=39 x2+x4+x5+x7=49 x3+x5+x6+x7=41 x4+x7=13 x5+x7=14 x6+x7=9 x1+x2+x3+x4+x5+x6+x7=9求x7的值若x1,x2,x3,x4,x5满足方程组 x1-x x5-x4+x3-x2+x-1因式分解 X5-X4+X3+X2+X+1因式分解 请问x+x2+x3+x4+x5+x6+x7+x8+x9=17.39,x等于多少啊?（注：x后面的数字为*次方）着急啊, 用matlab线性编程 min=8*x1+10*x2+7*x3+6*x4+11*x5+9*x612*x1+9*x2+25*x3+20*x4+17*x5+13*x6>=60;35*x1+42*x2+18*x3+31*x4+56*x5+49*x6>=150;37*x1+53*x2+28*x3+24*x4+29*x5+20*x6>=125;其中x>0,x 以知x1 x2 x3 x4 x5 x6 说明一下有8个x?或4个x呢? 我在excel宏里面用VB编了个公式 调试出错误,x,x1,x2,x3,x4,x5,x6对应为excel里的单元格Function zxbj(x,x1,x2,x3,x4,x5,x6)If x x6+x5+x4+x3+x2+x+1=0,求x2003+x2004+x2005+x2006+x2007+X2008=? matlab 矩阵求未知数.A*x=B求x1,x2,x3,x4,x5,x6的值. matlab 矩阵求未知数.A*x=B 求x1,x2,x3,x4,x5,x6的值. Min Z= X1 +X2 +X3 +X4 +X5 +X6 +X7 +X8S.T.2X1 +X2 +X3 +X4 =1002X2 +X3 + 3X5 +2X6 + X7 =100X1 + X3 + 3X4 +2X6 +3X7 +4X8 =100X1,X2,X3,X4,X5 ,X6,X7,X8 >=0经过计算的最优解是X*= (40 ,20,0,0,0 ,30 ,0 ,0)T Z* =90但该解也是最优解X*= (10 ,50,0 有整数x1,x2,x3,x4,x5,x6,x7.x1 matlab 求解非线性约束方程f(x)min=0.785*x3*((x1-0.03*x1*x5-x2)^2-(x6+10+0.03*x1*x5)^2*10-(x4)^2)+0.97*x1*x3*x5 %目标函数g1(x)=0.45-x5 代码1010111对应的多项式为x6+x4+x2+x+1,而多项式为x5+x3+x2+x+1对应的代码101111.多项式是怎么得出的?