打开App
360P
[初中数学]平面几何建系法VS纯几何法，选哪个？
初中数学合集53/138
![[初中数学]四点共圆都会了，九点共圆还远吗？](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/e93acc6cb59e4a8ca3bd0dce45350d78~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=20250430163257FC29DECA73499B6190AD&requestFrom=704&version_code=80402&x-expires=1777537978&x-signature=Vfp9xjabejS%2FfgA%2BuQE49lKRXww%3D)
App07:33![[初中数学]平面几何建系法VS纯几何法，选哪个？](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/b2b066d648b84fd0bd7b34bb4bcc634a~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=20250430163257FC29DECA73499B6190AD&requestFrom=704&version_code=80402&x-expires=1777537978&x-signature=MNQceXOuahMzdqqIsP4xMPOF0fU%3D)
App14:25![[初中数学]最小值求多了，来求一下线段最大值吧](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/a3bb87c498e64f4f99bb9389a95e6d41~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=20250430163257FC29DECA73499B6190AD&requestFrom=704&version_code=80402&x-expires=1777537978&x-signature=rka%2FdP0ZL3KJ8iev3FwNqjZB0oo%3D)
App05:10![[初中数学]求k·PA+PB+PC的最小值，加权费马点问题](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/89b3edd73d3342e3ac963769651a37f3~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=20250430163257FC29DECA73499B6190AD&requestFrom=704&version_code=80402&x-expires=1777537978&x-signature=AyKA2APWr4%2B%2B6iFjTTFG387gUwk%3D)
App06:53![[初中数学]圆周角定理中的2倍关系怎么证明？](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/2053807c1e094d90b551c7967a4d8b9e~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=20250430163257FC29DECA73499B6190AD&requestFrom=704&version_code=80402&x-expires=1777537978&x-signature=tju5VXS3QNKNRPzj54M1aURwFMg%3D)
App06:50![[初中数学]费马点难题警告：求3PA+4PB+5PC最小值](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/534a32ebd98c437f9144e9bf2c93d221~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=20250430163257FC29DECA73499B6190AD&requestFrom=704&version_code=80402&x-expires=1777537978&x-signature=Se6q25gHtou2e5HHvApnyEwNIkc%3D)
App09:53![[初中数学]全军覆没的一道最值问题，构造将军饮马很重要！](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/5619ac96344145d9a22aff820dee75ed~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=20250430163257FC29DECA73499B6190AD&requestFrom=704&version_code=80402&x-expires=1777537978&x-signature=J4bqy%2FpNOrvtROJDiYbnOtsk8d8%3D)
App10:08![[初中数学]垂径定理的正确打开方式，中考、高考中怎么用](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/2a75c80c7b5340a3a4d4b10fde34654c~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=20250430163257FC29DECA73499B6190AD&requestFrom=704&version_code=80402&x-expires=1777537978&x-signature=oOUdvCKRXNjaxBpXOcSAz%2FSYa9E%3D)
App11:30![[初中数学]布罗卡尔点——等腰＋相似，原来如此，相似三角形](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/71a24bd5cb8049f299d8faaeb12a4767~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=20250430163257FC29DECA73499B6190AD&requestFrom=704&version_code=80402&x-expires=1777537978&x-signature=4gqm8455iDT%2Fl828uIjaG%2FEaQgg%3D)
App03:31![[初中数学]加权费马点问题，为什么系数是勾股数，直击本质](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/9fe1d634810c4e70a62a7870546bd93c~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=20250430163257FC29DECA73499B6190AD&requestFrom=704&version_code=80402&x-expires=1777537978&x-signature=lefkcvKm%2FKAHLGNgnsrRAJuJxW4%3D)
App08:40![[初中数学]瓜豆原理逆运用，纯几何法解最值问题，你学废了吗？](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/93247b5a344d4f759991a1c5f6ca4dc8~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=20250430163257FC29DECA73499B6190AD&requestFrom=704&version_code=80402&x-expires=1777537978&x-signature=TL7f9rzHCJi5cUDQDQTbjC%2Be%2BUM%3D)
App12:36![[初中数学]平面几何辅助线怎么作？寻找题干中的蛛丝马迹](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/a69424ac6bfb4c158110b3ba46f3e585~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=20250430163257FC29DECA73499B6190AD&requestFrom=704&version_code=80402&x-expires=1777537978&x-signature=FG6T2vpgWwO2vE3MA6PLr5O2xFI%3D)
App08:28![[初中数学]究竟是一线三垂直，还是隐形圆？代几综合](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/f815c3b7c9384029a80881cf89036987~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=20250430163257FC29DECA73499B6190AD&requestFrom=704&version_code=80402&x-expires=1777537978&x-signature=A52v3QJvKcjFJ1M1a2rjj0mPaUo%3D)
App09:01
App17:23
App01:31
App08:40![平面几何中的“海盗埋宝”模型[初中数学]](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/6ad865d4be814ab7b2a5b68568475f3c~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=20250430163257FC29DECA73499B6190AD&requestFrom=704&version_code=80402&x-expires=1777537978&x-signature=Q44aNtRHlofYbxosVqv3c9X9GkI%3D)
App08:51![[中考数学]反向手拉手模型](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/fd44fd2e075b4ef4a588a06d171801cb~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=20250430163257FC29DECA73499B6190AD&requestFrom=704&version_code=80402&x-expires=1777537978&x-signature=5MBBMcMn26GekyUmlwMUCdVgW%2Fw%3D)
App09:39![[中考数学]平面几何模型——中点四边形模型](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/7b78bc4dfbb64bdda49ee7b338068a23~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=20250430163257FC29DECA73499B6190AD&requestFrom=704&version_code=80402&x-expires=1777537978&x-signature=89yhu4U5%2BYFA%2Bh4VUVnPq8YftM4%3D)
App12:50
App07:08![[初中数学]教材上删掉的 四点共圆 究竟多好用？](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/c02559c1bd3641dd94f5ea3cf992a55d~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=20250430163257FC29DECA73499B6190AD&requestFrom=704&version_code=80402&x-expires=1777537978&x-signature=QUscULQD5EhZUTJ6WlE%2FpRl60bk%3D)
App10:32
App10:35
App15:35![[初中数学]三线共点怎么办？三线共点必旋转](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/f6c969df820b4fb49870eea103eff833~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=20250430163257FC29DECA73499B6190AD&requestFrom=704&version_code=80402&x-expires=1777537978&x-signature=6ASadgix6UF2VpUlwybXRC8ivyE%3D)
App10:10
App11:01![[中考数学]反向手拉手模型是什么](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/d7b18217ff6544389af71297cfd2700e~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=20250430163257FC29DECA73499B6190AD&requestFrom=704&version_code=80402&x-expires=1777537978&x-signature=18IHQ5%2BLYXCcdAuLMJIlqvR3CmA%3D)
App21:23![二次函数有毒？这节课就是解药！[初中数学]](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/67d743c49d43484c8133d7204aabe8a3~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=20250430163257FC29DECA73499B6190AD&requestFrom=704&version_code=80402&x-expires=1777537978&x-signature=kNpf0N6vCOT6SDD6Qlq%2F0XYz1zo%3D)
App12:05![一节课学会隐圆问题[平面几何]](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/6a941bf864f84f8b87205156049a174a~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=20250430163257FC29DECA73499B6190AD&requestFrom=704&version_code=80402&x-expires=1777537978&x-signature=DPdffQ5BjUu0n%2Fak4RZr4819G6c%3D)
App16:28
App11:20
App13:03
App11:27
