X+Y=60 0.3X+0.6Y=.01*160
1个回答
x=344/3
y=-(164/3)
相关问题
(3x-y)^2-(2x+y)^2-5x(x-y),其中x=0.2,y=0.01
x+y=160,40%x+75%y=60%*160 x=? y=?
计算n阶行列式x+y xy 0……0 01 x+y xy… 0 00 1 x+y…0 0……0 0 0… 1 x+y
x+y=100 0.62x+0.3y=0.6(x+y) 求x=?y=?
x+y=6,0.25x+0.4y=6*0.3
若x≥0,y≥0,2x+3y≤100,2x+y≤60,则z=6x+4y的最大值是 ______.
(0.9x-2.4)/0.6-(0.9x-0.6)/0.3=(0.05-0.01)x/0.01
MATLAB 三维绘图x=(-8:0.01:8);y=(-8:0.01:8);[xx,yy]=meshgrid(x,y)
已知x,y满足约束条件3x-y-6≤0,x-y+2≥0,x≥0,y≥0
已知集合P={(x,y)|{3x-4y+3≥0,4x+3y-6≤0,y≥0}},Q={(x,y)|(x-a)²