若l、m、n是互不重合的直线,α,β是不重合的平面,则下列命题中为真命题的是A、若α‖β,l在α内,n在β内,则l⊥n B、若α⊥β,l在α内,则l⊥β C、若l⊥n,m⊥n,则l⊥m D、若l⊥α,l⊥β则α⊥β为什么?(
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![若l、m、n是互不重合的直线,α,β是不重合的平面,则下列命题中为真命题的是A、若α‖β,l在α内,n在β内,则l⊥n B、若α⊥β,l在α内,则l⊥β C、若l⊥n,m⊥n,则l⊥m D、若l⊥α,l⊥β则α⊥β为什么?(](/uploads/image/z/8674315-43-5.jpg?t=%E8%8B%A5l%E3%80%81m%E3%80%81n%E6%98%AF%E4%BA%92%E4%B8%8D%E9%87%8D%E5%90%88%E7%9A%84%E7%9B%B4%E7%BA%BF%2C%CE%B1%2C%CE%B2%E6%98%AF%E4%B8%8D%E9%87%8D%E5%90%88%E7%9A%84%E5%B9%B3%E9%9D%A2%2C%E5%88%99%E4%B8%8B%E5%88%97%E5%91%BD%E9%A2%98%E4%B8%AD%E4%B8%BA%E7%9C%9F%E5%91%BD%E9%A2%98%E7%9A%84%E6%98%AFA%E3%80%81%E8%8B%A5%CE%B1%E2%80%96%CE%B2%2Cl%E5%9C%A8%CE%B1%E5%86%85%2Cn%E5%9C%A8%CE%B2%E5%86%85%2C%E5%88%99l%E2%8A%A5n+B%E3%80%81%E8%8B%A5%CE%B1%E2%8A%A5%CE%B2%2Cl%E5%9C%A8%CE%B1%E5%86%85%2C%E5%88%99l%E2%8A%A5%CE%B2+C%E3%80%81%E8%8B%A5l%E2%8A%A5n%2Cm%E2%8A%A5n%2C%E5%88%99l%E2%8A%A5m+D%E3%80%81%E8%8B%A5l%E2%8A%A5%CE%B1%2Cl%E2%8A%A5%CE%B2%E5%88%99%CE%B1%E2%8A%A5%CE%B2%E4%B8%BA%E4%BB%80%E4%B9%88%3F%EF%BC%88)
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