2022数学新课标系列解读9个视频全了，含部分PPT（陈春敏推送）
http://mp.weixin.qq.com/s?__biz=Mzg3NTE1NDAyNA==&mid=2247510198&idx=1&sn=8656da9fbeff670d885922335b9bac18&chksm=cec737b1f9b0bea7d14cd15bf510ee731e1237e7a4a90443e539b3e1be0d6ee1b5851aa4c238&mpshare=1&scene=23&srcid=0819hx4kliv7TJsMfaNpLrPh&sharer_sharetime=1688703027245&sharer_shareid=7f3b15992ab1ab957b500e0c7c9e0b50#rd