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关注：1
2013-05-23 12:21
求翻译：问直线PC,QD,RA,SB围成的凸四边形的面积是ABCD面积的几分之几是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
问直线PC,QD,RA,SB围成的凸四边形的面积是ABCD面积的几分之几
问题补充： |
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2013-05-23 12:21:38
Asked a straight line pc, qd ra, sb enclosed area of the convex quadrilateral abcd area fraction of
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2013-05-23 12:23:18
Ask line, QD PC SB Wai, RA, 4 margin and 30% of the area is the area fraction of ABCD few
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2013-05-23 12:24:58
Asked straight line PC, QD, RA, SB encircles the raised quadrangle area is ABCD area several several minute
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2013-05-23 12:26:38
正在翻译，请等待...
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2013-05-23 12:28:18
正在翻译，请等待...
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