∵x3=y2=z4,
∴设x=3k,y=2k,z=4k,
∴yx+y+z=2k3k+2k+4k=29.
故答案为:29.
解方程:
(1)(x-3)2=64
(2)2x2+5x-1=0.
香味的变迁有哪几种现象?