以下是关于【时分秒的认识】的公开课/优质课视频，一共40个
1:03:03112-
41:42105 -
55:1180 -
16:2399 -
40:1455 -
28:1241 -
31:5679 -
40:3798 -
41:5131 -
41:4228 -
44:48131 -
32:42116 -
26:3135 -
15:3579 -
06:0421 -
05:5990 -
39:568 -
26:3139 -
34:48128 -
39:56131 -
44:4816 -
30:4873 -
43:4223 -
44:3391 -
30:5545 -
38:1636 -
10:58128 -
46:29127 -
40:1163 -
40:0016 -
07:11102 -
40:00115 -
33:4056 -
39:13116 -
37:31100 -
40:2419 -
14:19131 -
49:3225 -
37:5310 -
39:24108