题文
已知A(1,2,3),B(3,3,m),C(0,﹣1,0),D(2,﹣1,﹣1),则( )
| A.|AB|>|CD| | B.|AB|<|CD| | C.|AB|≤|CD| | D.|AB|≥|CD| |
推荐试卷
已知A(1,2,3),B(3,3,m),C(0,﹣1,0),D(2,﹣1,﹣1),则( )
| A.|AB|>|CD| | B.|AB|<|CD| | C.|AB|≤|CD| | D.|AB|≥|CD| |
试题篮
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