min Q=x+y+z x+y+z>=687 x+y+z>=983 x+y+z>=674 x+y+z>=918 x+y+z>=1206这个用lingo解出现小问题TOO MANY INEQUALITY OR EQUALITY RELATIONS?要怎么改才可以求出答案啊?

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minQ=x+y+zx+y+z>=687x+y+z>=983x+y+z>=674x+y+z>=918x+y+z>=1206这个用lingo解出现小问题TOOMANYINEQUALITYOREQUALI

min Q=x+y+z x+y+z>=687 x+y+z>=983 x+y+z>=674 x+y+z>=918 x+y+z>=1206这个用lingo解出现小问题TOO MANY INEQUALITY OR EQUALITY RELATIONS?要怎么改才可以求出答案啊?
min Q=x+y+z x+y+z>=687 x+y+z>=983 x+y+z>=674 x+y+z>=918 x+y+z>=1206这个用lingo解出现小问题
TOO MANY INEQUALITY OR EQUALITY RELATIONS?要怎么改才可以求出答案啊?

min Q=x+y+z x+y+z>=687 x+y+z>=983 x+y+z>=674 x+y+z>=918 x+y+z>=1206这个用lingo解出现小问题TOO MANY INEQUALITY OR EQUALITY RELATIONS?要怎么改才可以求出答案啊?
你写错了
min=x+y+z;
x+y+z>=687;
x+y+z>=983;
x+y+z>=674;
x+y+z>=918;
x+y+z>=1206;

(x+y-z)(x-y+z)= X+Y+Z=? x/y=(x+z)/(y+z)y/z=(x+y)/(x+z) 已知 x/(y+z)+y/(z+x)+z/(x+y)=1求 (x*x)/(y+z)+(y*y)/(x+z)+(z*z)/(x+y)=? 解方程 x(x+y+z)=6 y(x+y+z)=12 z(x+y+z)=18 解方程组{x(x+y+z)=6,y(x+y+z)=12,z(x+y+z)=18 解方程组：{x(x+y+z)=6 {y(x+y+z)=9 {z(x+y+z)=10 (y+z)/x=(z+x)/y=(x+y)/z求x+y-z/x+y+z的值 min Q=x+y+z x+y+z>=687 x+y+z>=983 x+y+z>=674 x+y+z>=918 x+y+z>=1206这个用lingo解出现小问题TOO MANY INEQUALITY OR EQUALITY RELATIONS?要怎么改才可以求出答案啊? 概率中事件A={Max(X,Y)>z}、B={Max(X,Y)z}、D={Min(X,Y) 秋节四元一次方程式4x+2y+8z+16Q=682x-12y+12z+q=7x+13y-11z+11q=256x+11y-5z-10q=93x+4y-z+5q=632x+2y-3z+3q=283x-y+3z+3q=237x-6y-2z-q=1 已知:x/6=y/4=z/3(x.y.z均不为零)则x+3y/3y-2z等于多少?3Q 一条分式数学题已知x y z满足x/x+y + y/z+x + z/x+y =1,求x²/x+y + y²/z+x + z²/x+y的值.3Q 已知x、y、z满足方程组：x+y-z=6；y+z-x=2；z+x-y=0 求x、y、z的值已知X.Y.Z满足方程组,X+y-Z=6y+z-x=2z+x-y=0求X.Y.Z的值 x+y+z=6 x+2y+3z=14 y+1=z fangchengzu:X+Z=Y 7Z=X+Y+Z X+Y+Z=14 z+=x>y?++x: