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2021深圳中考数学平面几何压轴题，居然考察余弦定理？
2021中考数学合集8/20
App11:09![[中考数学]10秒解二次函数压轴小题，2021泸州中考](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/28d073ecc5064e44b79dae5e9a4094e8~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=2024121904581030B36D2F54E2E1E4C7FA&requestFrom=704&version_code=80402&x-expires=1766091490&x-signature=0jHCUrVP%2FSUoGDKFQBADLh8gM9w%3D)
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