已知x、y、z满足|4x-4y+1|+152y+z+(z−12)
已知x、y、z满足|4x-4y+1|+152y+z+(z−12)
1.已知x,y,z满足2│x-y│+(根号2y-z)+z平方-z+(1/4)=0,求x,y,z值.
已知X、Y、Z满足2X-Y+4Z=8(1);X-2Y-Z=7(2)求X-Y-Z的值
1 已知想x,y,z满足2x-y+4z=8,x-2y-z=7,求x-y+z的值
已知x、y、z满足x2-4x+y2+6y+z+1
已知x,y,z满足x/(y+z)+y/(z+x)+z/(x+y)=1,求代数式x2/(y+z)+y2/(x+z)+z2/
已知实数x,y,z满足x/(y+z)+y/(z+x)+z/(x+y)=1,求x2/(y+z)+y2/(z+x)+z2/(
已知实数x,y,z满足(绝对值4x-4y+1)+(1\3根号2y+z)+(z的平方-z+1\4)等于0
已知x,y,z满足3x+7y+z=5 4x+10y+z=3 求x+y+z的值
已知:X、Y、Z满足2X-Y+4Z=8,X-2Y-Z=7,求X-Y+Z的值
已知x、y、z满足{3x+7y+z=5 ,求x+y+z的值 {4x+10y+z=3
已知x,y,z满足2x-y+4z=8,x-2y-z=7,求x-y+z的值.