if(z=(y==0))x=5;x=4什么意思
{ int x=-8,y=-4,z=6;if(x) if(y>0) z=0;else z++; 是看不懂啊 怎么结果出来
#include void main() { int x=0,y=1,z=2; if(!x) z=-1; if (y)
(x+y-z)(x-y+z)=
int max(int x,int y) { int z; if(x>y) z=x; else z=y; return(
#includemain(){int x=1,y=2,z=3;if(x>y)if(y
已知3x-2y-5z=0,2x-5y+4z=0,且x,y,z均不为0,求3x*x+2y*y+5z*z/5x*x+y*y-
已知x+y-z/z=x-y+z/y=-x+y+z/x,且xyz不等于0,求分式[(x+y)(x+z)(y+z)]/xyz
y+z÷x=Z+X÷y=X+Y÷z,X+Y+Z不等0求X+Y-Z÷X+Y+z值
x分之y+z=y分之z+x=z分之x+y(x+y+z不等于0),求x+y+z分之x+y-z
已知:(x+y-z)/z=(x-y+z)/y+(y+z-x)/x,且xyz≠0,求代数式[(x+y)(y+z)(x+z)
2x+5y+4z=0,3x+y-7z=0,则x+y-z=?
已知方程组4x-5y+2z=0 x+2y=3z 则x:y:z