A． B．{1} C．或{2} D．或{1}——青夏教育精英家教网—

摘要：A． B．{1} C．或{2} D．或{1}

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A．{x\|x＜-1或x＞2}	B．{x\|x≤-1或x＞2}
C．{x\|x＜-1或x≥2}	D．{x\|x≤-1或x≥2}

A．{x\|x＜-1或x＞2}	B．{x\|x≤-1或x＞2}
C．{x\|x＜-1或x≥2}	D．{x\|x≤-1或x≥2}

A(1,0,1)，B(4,4,6)，C(2,2,3)，D(10,14,17)这四个点______(填共面或不共面)．

A．{x\|x＜-1或x＞2}	B．{x\|x≤-1或x＞2}
C．{x\|x＜-1或x≥2}	D．{x\|x≤-1或x≥2}

A．{x\|x＜-1或x＞2}	B．{x\|x≤-1或x＞2}
C．{x\|x＜-1或x≥2}	D．{x\|x≤-1或x≥2}

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