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首页 > 学历类 > 升学考试 > 高考 > 数学(文科) > 设D,E,F分别为三角形ABC的三边BC,CA, AB的中点,则[img src="https://img.haodaxue.net/uploadimg/image/20200606/20200606173844_90928.png" alt="" />()

设D,E,F分别为三角形ABC的三边BC,CA, AB的中点,则[img src="https://img.haodaxue.net/uploadimg/image/20200606/20200606173844_90928.png" alt="" />()

A.[img src="https://img.haodaxue.net/uploadimg/ico/2020/0606/1591436386447865.png" />
B.[img src="https://img.haodaxue.net/uploadimg/ico/2020/0606/1591436380621016.png" />
C.[img src="https://img.haodaxue.net/uploadimg/ico/2020/0606/1591436374528984.png" />
D.[img src="https://img.haodaxue.net/uploadimg/ico/2020/0606/1591436368571149.png" />
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正确答案: A
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