diff --git a/video/数学-2下-视频--饮品(和是4的加法)/交互3(3+1).mp4 b/video/数学-2下-视频--饮品(和是4的加法)/交互3(3+1).mp4 deleted file mode 100644 index a1a9794..0000000 Binary files a/video/数学-2下-视频--饮品(和是4的加法)/交互3(3+1).mp4 and /dev/null differ