(本小题满分14分) 在四边形
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(1)若四边形
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(2)若四边形
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答案 :
(1)18;(2)
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设
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A.一定不共线 | B.一定共线 | C.不一定共线 | D.可能相等 |
答案 :
A.
编辑推荐:
下载Word文档
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A.一定不共线 | B.一定共线 | C.不一定共线 | D.可能相等 |
编辑推荐:
温馨提示:因考试政策、内容不断变化与调整,长理培训网站提供的以上信息仅供参考,如有异议,请考生以权威部门公布的内容为准! (责任编辑:长理培训)
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