以下是关于【平行与垂直】的公开课/优质课视频，一共52个
12:5079-
39:3855 -
46:31114 -
27:05120 -
24:28135 -
44:1532 -
14:11135 -
44:3845 -
1:31:5165 -
42:1868 -
44:15138 -
06:006 -
06:0856 -
06:37134 -
26:3598 -
07:2334 -
26:0620 -
40:1552 -
52:3455 -
06:5879 -
06:2286 -
35:53117 -
41:0624 -
39:4026 -
10:04106 -
09:4863 -
06:37114 -
1:24:26126 -
44:3814 -
24:2847 -
22:2055 -
47:0989 -
48:406 -
43:2220 -
36:3942 -
44:1597 -
32:3688 -
40:42140 -
46:18139 -
42:01123 -
45:27102 -
43:4279 -
33:5631 -
39:4346 -
42:57118 -
41:35106 -
38:2370 -
43:5793 -
40:04130 -
46:4264 -
41:2779 -
43:4639