如图，在平行四边形ABCD中，添加一个条件_1使平行四边形ABCD是菱形．_刷题宝

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如图，在平行四边形ABCD中，添加一个条件____使平行四边形ABCD是菱形．

上一题下一题 0.0难度选择题更新时间:2019-05-23 11:43:14

答案(点此获取答案解析）

AB=BC(或AC⊥BD)答案不唯一

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