1、打开微信，找到想要查看好友微信号的群，
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https://iknow-pic.cdn.bcebos.com/cb8065380cd7912332061ba6a6345982b3b7807a"/>
2、点击上图右上角的“两个人”形状的图标，进入群成员显示界面，
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https://iknow-pic.cdn.bcebos.com/7c1ed21b0ef41bd5a22966265ada81cb38db3ded"/>
3、点击想要查看的群好友头像，
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https://iknow-pic.cdn.bcebos.com/c9fcc3cec3fdfc0394586d6adf3f8794a4c2263b"/>
4、点开后即可看到群好友的微信号，如图所示。
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https://iknow-pic.cdn.bcebos.com/a686c9177f3e67093e21cb2d30c79f3df8dc553b"/>