Q: What was the geometry student looking for at the beach?- |3 j9 H& x% B3 g+ a6 S8 p
- h3 `% ]) ~4 y- t; TA: A tangent. % e0 W4 b% r j# v% m
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(geometry) a straight line that touches the outside of a curve but does not cross it
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发表于 2009-4-8 12:18
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