如图Rt△ABC中,∠ACB=90。,D是AC上靠近A的三等分点,

恬恬2019-12-17  13

问题 如图Rt△ABC中,∠ACB=90。,D是AC上靠近A的三等分点,

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答案

解析[img]/upload/tiku/459/9605488_1.png[/img]解析:[img]/upload/tiku/459/9605488_1_1.png[/img][img]/upload/tiku/459/9605488_1_2.png[/img]
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