Q: What was the geometry student looking for at the beach?) Z6 d5 R" N% P( p1 v8 M0 \) @. W
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A: A tangent. % K. M) v' [8 X) {; V& w" }
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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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