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北京中考压轴题：四点共圆与勾股定理、线段转换！
北京中考压轴题：四点共圆与勾股定理、线段转换！
海莱中考数学55/358
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App33:24![中考必备：“铅垂法”求三角形面积[更正：C（1，-2）]](http://p3-sign.bdxiguaimg.com/tos-cn-i-0026/1d04179977e74d05ace4a5e0e1dc35bc~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250227064357D04C13F45301DFA4D547&requestFrom=704&version_code=80402&x-expires=1772145837&x-signature=wq4NMsNNI6EJ%2Bb6xpEgXHRRGtoc%3D)
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