点(1,2,1)到平面<img src='https://img2.soutiyun.com/shangxueba/ask/19032001-19035000/19032905/2015110115113928560.png' />+2<img src='https://img2.soutiyun.com/shangxueba/ask/19032001-19035000/19032905/2015110115114815657.png' />+2<img src='https://img2.soutiyun.com/shangxueba/ask/19032001-19035000/19032905/2015110115115812967.png' />-10=0的距离为()。

A.-1 B. 1 C. 2 D. 3

时间:2024-01-23 13:54:21

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