如图，在△ABC中，BC＝6cm，E、F分别是AB、AC的中点，则EF＝_______cm．

如图，在△ABC中，BC＝6cm，E、F分别是AB、AC的中点，

则EF＝_______cm．

答案

3解析:
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如图，在△ABC中，BC＝6cm，E、F分别是AB、AC的中点，则EF＝_______cm．

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