打开App
360P
数学9上：a、b是方程x²-(2k+1)x+k(k+1)=0两根，求a²+b²最小值
数学9上：a、b是方程x²-(2k+1)x+k(k+1)=0的两根，求a²+b²最小值是多少？
初中数学：几何最值，将军饮马，费马点，胡不归，隐形圆，阿氏圆246/333
App05:39
App04:25
App06:01
App09:35
App02:49
App03:15
App07:18
App06:26
App05:08
App02:56
App03:52
App04:09
App05:14
App08:25
App04:32
App03:26
App05:10
App03:20
App03:59
App05:55
App01:56
App04:40
App02:10
App07:33
App04:48
App03:02
App07:19
App06:06
App20:44
App04:14
App07:34打开App观看
![哈尔滨市气象台发布道路冰雪红色预警[I级/特别严重]](http://p3-sign.bdxiguaimg.com/tos-cn-p-0015/ow6BmZGvLpsbiOLen748ACaBfuAIQEDeAOzdOI~tplv-pk90l89vgd-fglass:864:486:90.jpeg?appId=32&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=101_middle_image&imageType=list&isImmersiveScene=0&is_stream=0&lk3s=9d3f5bff&logId=202501200623133957DB4FF0D0B378C06A&requestFrom=101&x-expires=1768861393&x-signature=%2B1ae5cG2fwkdme0eL8y9XoWt6es%3D)
