题目内容：
A.(x-3)/9=(y-1)/1=(z-1)/1
B.(x-3)/9=(y-1)/1=(z-1)/(-1)
C.(x-3)/9=(y-1)/(-1)=(z-1)/1
D.(x-3)/(-9)=(y-1)/1=(z-1)/1
参考答案：
选择题：A.(x-3)/9=(y-1)/1=(z-1)/1 B.(x-3)/9=(y-1)/1=(z-1)/(-1) C.(x-3)/9=(y-1)/(-1)=(z-1)/1 D.(x-3)/(-9)=(y-1)/1=(z-1)/1
- 题目分类：电气工程师
- 题目类型：选择题
- 号外号外：注册会员即送体验阅读点！
A.(x-3)/9=(y-1)/1=(z-1)/1
B.(x-3)/9=(y-1)/1=(z-1)/(-1)
C.(x-3)/9=(y-1)/(-1)=(z-1)/1
D.(x-3)/(-9)=(y-1)/1=(z-1)/1