以下是关于【时、分、秒的认识】的公开课/优质课视频，一共37个
1:03:0337-
41:42116 -
40:14140 -
31:5683 -
40:3775 -
41:51120 -
41:4266 -
44:4863 -
32:4263 -
26:3180 -
15:35102 -
06:04112 -
05:59136 -
39:56116 -
26:315 -
34:4811 -
39:5628 -
44:4846 -
40:55106 -
32:2378 -
43:4272 -
35:1976 -
38:0178 -
44:3366 -
30:5555 -
38:16104 -
10:58120 -
46:2982 -
40:1171 -
40:0024 -
07:1150 -
40:0035 -
40:2479 -
14:1973 -
49:3214 -
37:5394 -
39:2440