由x+y+z=36,
得x+y=36-z ①
由4a+3y+z/2=36,
得8x+6y=72-z ②
①×8-②:
y=(216-7z)/2>0,
Z取2,4,6,.30,
②-①×6:
x=(5Z-144)/2>0,
Z取30,32,34..
所以有唯一
x=3,y=3,Z=30.
由x+y+z=36,
得x+y=36-z ①
由4a+3y+z/2=36,
得8x+6y=72-z ②
①×8-②:
y=(216-7z)/2>0,
Z取2,4,6,.30,
②-①×6:
x=(5Z-144)/2>0,
Z取30,32,34..
所以有唯一
x=3,y=3,Z=30.