z+x=37 s+x=56 s+z=49 z=( ) x=( ) s=( )

z+x=37 s+x=56 s+z=49 z=( ) x=( ) s=( ) 计算∫s∫（x+y+z)dS.S:x^2+y^2+z^2=4,z>=0 #include mian() { double x,y,z,s; printf(input x,y,z: ); scanf(%lf %lf %lf,&x,&y,&z)#include mian(){ double x,y,z,s; printf(input x,y,z: ); scanf(%lf %lf %lf,&x,&y,&z); s=(x+y+z)/3; s=s*10; s=s+0.5; s=(int)s; s=s/10; printf(s=%f ,s);} C语言,输入三组成三角形#include main(){int x,y,z,l;int s=sqrt(10);scanf(x=%d y=%d z=%d,&x,&y,&z);while((x+y)>z&&(x+z)>y&&(y+z)>x){if ((x+y)>z&&(x+z)>y&&(y+z)>x){printf(x=%d y=%d z=%d,x,y,z);l=x+y+z;printf(L=%d,l);s=sqrt((l/2)*(l/2-x)*( 已知,x,y,z是三个非负实数,满足3x+2y+z=5,z+y-z=2若s=2x+y-z,则s最大值与最小值的和是多少 计算∫∫（S）(x+y+z)dS,其中S为曲面x^2+y^2+z^2=a^2,z>=0 (x+y-z)(x-y+z)= 已知x、y、z是三个非负有理数,且满足3x+2y+z=5,x+y-z=2,若S=2x+y-z,求S的最大值与最小值 已知x、y、z是三个非负有理数,且满足3x+2y+z=5,x+y+z=2,若s=2x+y-z,则s的最大值和最小值的和是多少? 已知x,y,z为3个非负实数,且满足3x+2y+z=5,x+y-z=2,若s=2x+y-z求s的取值范围 已知x,y,z为非负有理数,且满足3x+2y+z=5,2x+y-3z=1,若S=3x+y-7z,求S的最大值和最小值 已知,X.Y.Z是三个非负实数,满足3X+2Y+Z=5,X+Y-Z=2若S=2X+Y-Z,则S的最大值和最小值和为多少?为什么? 已知x,y,z是3个非负数,且满足3x+2y+z=5,x+y-z=2若s=2x+y-z,求-S的最大值和最小值的是多少 已知x,y,z为非负数,且3x+2y+z=5,2x+y-3z=1.若S=3x-y-7z,试求S的取值范围 已知x,Y,Z,为3个非负数,且满足3X+2Y+Z=5,X+Y-Z=2若S=2X+Y-Z,则S的最大值与最小值的和为几? 已知x,y,z是三个非负数,且满足3x+2y+z=5,x+y+z=2,若S=2x+y-z,则S的最大值与最小值的和 x、y、z是非负有理数,且满足3x+2y+z=5,x+y-z=2,若s=2x+y-z,则s的取值范围是_________. 已知x、y、z为三个非负有理数,且满足4x-3y-6z=3,x+2y-7z=8,若s=2x+y-z,试求s的最大值或最小值