已知集合A=｛x|x=a+1/6,a属于Z｝,B=｛x|x=b/2-1/3,b属于z},C={x|x=c/2+1/6,c属于z},集合ABC的关系1.A等于B属于C 2.A属于B等于C 3.A属于B属于C4.B属于C属于A

已知集合A=｛x|x=a+1/6,a属于Z｝,B=｛x|x=b/2-1/3,b属于z},C={x|x=c/2+1/6,c属于z},集合ABC的关系1.A等于B属于C 2.A属于B等于C 3.A属于B属于C4.B属于C属于A
已知集合A=｛x|x=a+1/6,a属于Z｝,B=｛x|x=b/2-1/3,b属于z},C={x|x=c/2+1/6,c属于z},集合ABC的关系
1.A等于B属于C
2.A属于B等于C
3.A属于B属于C
4.B属于C属于A

已知集合A=｛x|x=a+1/6,a属于Z｝,B=｛x|x=b/2-1/3,b属于z},C={x|x=c/2+1/6,c属于z},集合ABC的关系1.A等于B属于C 2.A属于B等于C 3.A属于B属于C4.B属于C属于A
Z为整数集合
集合A={x|x=a+1/6,a∈Z}={x|x=(6a+1)/6,a∈Z},
集合B={x|x=b/2-1/3,b∈z}={x|x=(3b-2)/6,b∈Z}={x|x=[3(b+1)-2]/6,b∈Z},
集合C={x|x=c/2+1/6,c∈z}={x|x=(3c+1)/6,c∈Z}
∴A∈B＝C,选（2）

x=b/2-1/3是什么意思啊？

说提Z是指复数集吧，集合ABC间关系不确定吧。条件不足。

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To the summer, many consumers purchase sunglasses to protect against UV harm to the eyes. Types o...

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More than ten dollars, "sunglasses" to shade?
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