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#2
mathspp2007-02-28 22:46
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请问怎莫实现等腰梯形?还有如何才能把梯形与矩形合在一起形成一个data
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#2
mathspp2007-02-28 22:46
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#3
kathy_chen2007-03-07 10:31
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#4
abingchem2007-03-07 14:59
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#5
mathspp2007-03-11 00:57
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#6
abingchem2007-03-11 11:30
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#7
zhangenter2007-03-11 12:59
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#8
mathspp2007-07-02 23:11
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#9
menglu2007-07-07 22:44
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#10
lillysou2007-07-08 15:48
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