方程组x:y:z=1:2:3 x+y+z=36的解是什么?限时1小时,给30分!

解方程组 :X+Y-3Z=1 Y+Z-3X=2 Z+X-3Y=3 解方程组 x+y+z=2 x-2y+z=-1 x+2y+3z=-1 解方程组：x-2y+z=-1,x+y+z=2,x+2y+3z=-1 三元一次方程组 ｛x+y-z=3x+y+z=1-x+2y+z=2 解方程组:x:y:z=1:2:3;x+y+z=12,求,x,y,z的值 matlab解对数方程组[x,y,z]=solve('0.29744*x/(3+0.1*x+y+z)=(log10((3+x+y+z)/(3+0.1*x+y+z)))^2','0.79*x/(3+0.1*y+z)=(log10((3+x+y+z)/(3+0.1*x+y+z)*(3+y+z)/(3+0.1*y+z)))^2','1.25*x/(3+0.1*z)=(log10((3+x+y+z)/(3+0.1*x+y+z)*(3+y+z)/(3+0.*1y+z)*(3+z)/ 已知方程组【X:Y:Z=1:3:2,X+Y+Z=8】求Y+3Z的值 已知方程组x:y:z=1:3:2 x+y+z=8 求y+3z的值 解方程组{x:y:z=1:2:3 {2x+y-3z=15 解方程组X:y:z=3:2:1 2x+3y-Z=22 解方程组x：y：z=1：2：7 2x-y+3z=21 解方程组{X：y：z=1：2：7 {2X-y+3z=21 初中数学急方程组x+y=3 x+z=1 y+z=2 解二元一次方程组X：Y：Z=1：2：3,X+Y+Z=12 解方程组：x+y+z=15,x:y:z=3:2:1 求方程组 ｛x+y-z=1 2x+3y-z=13 方程组 (1) x+2y-3z=12 x-3y+2z= - 13 x-y-z=0 (2) x+ y=z 5x-y+z=18 2x+5y+3z= -1 解方程组解方程组｛y=2x-7｛x+y+z=1｛3x-z=4