(1)解方程:
;
(2)如图,四边形ABCD的对角线AC、BD交于点O,已知O是AC的中点,AE=CF,DE∥BE,求证:△BOE≌△DOF.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1880901d6f7b7b711a2f6bd6611fa29c.png)
(2)如图,四边形ABCD的对角线AC、BD交于点O,已知O是AC的中点,AE=CF,DE∥BE,求证:△BOE≌△DOF.
![](https://img.xkw.com/dksih/QBM/2018/12/7/2091570603556864/2094685958569985/STEM/b2d2e376b3764c9d81e07d3ce7ce842f.png?resizew=134)
更新时间:2018-12-11 21:12:24
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解答题-作图题
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【推荐1】如图,在□ABCD中,对角线AC、BD相交于点O,过点O的直线分别交边AD、BC于E、F,
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(1)根据题意补全图形;
(2)求证:DE=BF.
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(1)根据题意补全图形;
(2)求证:DE=BF.
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解答题-证明题
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【推荐2】如图,
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