若2x-3y+z=3求x^2+(y-1)^2+z^2的最小值?
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/09 22:45:58
xSn@KZ[Yv
(,R{ȱBr@ЄiHF-("5@hrOR&'~:DyN*lvcZ^wZqrDW]k`K9ⷫ~4Yy<Gt}4e{e?9*H*#tU680X-_Z|{%x+}y_Z
qo[$@g= SbI/Xt,]'VԴF-YGtX#OĪnK;֩)8?F8FqH$$nR&"tYL
:0wSE98&:$YJ';ϴ]߯
Lh$"YN2.]wPT$##Zc{ԊkM +NQ^_Jr<^{
ΆM؎ɏozS>\=ʧ{:_1lqDP+˰yຳSMK0K-[>CxC' gR`D"^yv_˕eÚw,J%MJ(RTԀ
$p.6:C]tEW[1NJ\JP^KlK. !>
若|x+3|+|y-2|+|2×z+1|=0求(x×z-y×z)(y-x+z)的值
已知实数x y z满足x/(x+1)=y/(y+2)=z/(z+3)=(x+y+z)/3,求x+y+z的值
已知实数x y z满足x/(x+1)=y/(y+2)=z/(z+3)=(x+y+z)/3,求x+y+z的值
已知(x+y)(x+z)=x,(y+z)(y+x)=2y,(z+x)(z+y)=3z,求x,y,z
已知x::y:z=3:4:5,(1)求x+y分之z的值;(2)若x+y+z=6,求x,y,z.
分式加减的几道题目求速度1 .(x+y)²/(x-z)(y-z) - (y+z)²/(x-z)(y-z) = 2.2x+3y/x-y+2y/y-x-3y/x-y=
x+2y=3x+2z=4y+z 求x:y:z
求解一道数学题若x+y+z+3=2(根号x+根号y+1+根号z-1),求(x+y+z)的(y-z)次方
若x+y+z+3=2(根号x+根号y+1+根号z-1)求(x+y+z)y-z
若|x-3|+|y+2|+|2z+1|=0,求(xy-yz)(y-x+z)
如果,根号x-3+| y-2 |+z^2=2z-1 求 (x+z)^y
已知X:Y=0.3:1/2,Y:Z=2:3,求X:Y:Z
x;y=0.3;2分之1,y;z=2;3,求x;y;z
求X Y Z各代表什么数,使下列等式成立1、X+X+X=Y+Y;2、Y+Y+Y+Y=Z+Z+Z;3、X+Z+Y+Y=180
1 已知x+y/y=7/3 求x+y/x-y等于什么2 若x+4/3=y+3/2=z+8/4 且x+y+z=12 求x、y、z的值
若x:y:z=2:3:4,求x+y+z/x-2y+3z的值
若x/3=y/4=z/5,求x+y+z/3x-2y+z的值.
已知x:y:z=1:3:5,求(2x+3y-z)/(x+y-2z)的值