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看到一个原创题

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realnumber Posted at 2014-3-26 16:08:18 |Read mode

2013年重庆一中高2014级高三上期第四次月考
数学试题卷（理科）

3.（原创）抛物线 $x^2=4y$在点（2，1）处的切线的纵截距为（）
A. -1 B. 1 C. 0.5 D. -0.5

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isee Posted at 2014-3-26 18:43:35

A

话说

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其妙 Posted at 2014-3-26 20:03:59

是原创题噻

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