以下是关于【有趣的发现】的公开课/优质课视频，一共41个
15:2123-
12:1510 -
15:3343 -
45:4636 -
39:3119 -
06:2278 -
39:3152 -
12:15127 -
15:21105 -
15:339 -
45:4663 -
48:545 -
48:5453 -
46:1120 -
48:54117 -
42:4549 -
42:0249 -
04:5981 -
54:01139 -
40:00132 -
31:4837 -
38:4343 -
40:1169 -
41:2134 -
37:4394 -
40:0269 -
41:0451 -
34:43125 -
40:5318 -
33:2280 -
40:5940 -
38:088 -
44:517 -
39:33131 -
35:4460 -
41:1510 -
44:3570 -
40:2487 -
39:5660 -
35:4344 -
33:0072