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
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
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
相似考题
参考答案和解析
答案：B
解析：