福州平潭岛一日游:数学奥赛!~Give me the answers!
来源:百度文库 编辑:高考问答 时间:2024/04/23 21:40:00
http://dlsanghujun.fotolog.com.cn/1039764.html ( 图的地址)△ABC中点D在AB上试画出直线过点D并把三角形的面积平分。说明理由~~!!!
连接CD,底和高相等,面积相等。
那个D没有说是什么点么?是重点还是几比几的点啊?
数学奥赛!~Give me the answers!
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