X=6!X/2=Y/4=Z/5=k,X=2k、y=4k、Z=5k,因为X+Y+Z=33,2k+4k+4k=33,k=3,X=6
y=2x,z=2.5x,x+2x+2.5x=33,所以:x=6,y=12,z=15谢谢采纳