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α,β,γ是三个不同平面,则下列命题正确的是( ) A.α⊥β,β⊥γ⇒α∥γ ...
α,β,γ是三个不同平面,则下列命题正确的是( )
A.α⊥β,β⊥γ⇒α∥γ
B.α⊥β,β∥γ⇒α⊥γ
C.α,β,γ共点⇒α,β,γ共线
D.α⊥β,β⊥γ,γ⊥α⇒α,β,γ共线
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