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2020襄阳中考：二次函数动点之四边形面积最大，割补法的应用！
主要考查二次函数的图像与性质，旋转的性质，待定系数法求函数最大值以及三角形面积公式。
二次函数动点问题55/112
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![梁平区气象台发布雷电黄色预警[Ⅲ级/较重]](http://p26-sign.bdxiguaimg.com/tos-cn-p-0015/oQQEGLGw7BBFBI5BagIEGKCAgC0AUfPfwNei4n~tplv-pk90l89vgd-fglass:864:486:90.jpeg?appId=32&channelId=0&customType=custom%2Fnone&from=101_middle_image&imageType=list&isImmersiveScene=0&is_stream=0&lk3s=9d3f5bff&logId=20240913040949FC32DDDAE4243306E2C1&requestFrom=101&x-expires=1757707789&x-signature=F4NcmCHLsetBPfqKQ8S5gB2r590%3D)
