以下是关于【两条直线相交或平行】的公开课/优质课视频，一共291个
35:56119-
35:4994 -
23:1676 -
17:1697 -
17:04102 -
18:26121 -
22:1178 -
43:5394 -
06:16110 -
06:4266 -
06:07128 -
06:00125 -
55:3640 -
47:38124 -
47:2415 -
48:24134 -
45:389 -
49:5644 -
34:3671 -
36:0776 -
41:3745 -
37:31121 -
35:1057 -
36:54119 -
44:4260 -
07:03119 -
07:05136 -
06:3562 -
54:4744 -
06:59140 -
06:0097 -
05:5969 -
40:3310 -
10:0032 -
57:3288 -
38:2731 -
35:2229 -
43:3413 -
43:20131 -
45:2544 -
46:3453 -
49:0475 -
41:00126 -
43:4036 -
47:30101 -
39:2974 -
41:1788 -
06:0020 -
06:03136 -
06:0252 -
06:0280 -
05:5970 -
45:23117 -
45:2340 -
45:2536 -
47:38118 -
34:3415 -
40:4480 -
44:1910 -
54:09135 -
43:0182 -
44:0766 -
44:4761 -
48:35121 -
47:3053 -
43:4066 -
41:00121 -
44:2510 -
39:29119 -
49:04123 -
35:5842 -
07:4167 -
47:44101 -
45:4123 -
29:0264 -
50:4123 -
39:3940 -
45:3972 -
35:1548 -
23:0984 -
21:3385 -
39:286 -
47:29120 -
38:15135 -
43:2073 -
41:5273 -
19:19124 -
21:2829 -
1:00:195 -
44:47140 -
1:22:34124 -
16:0918 -
25:03111 -
43:5349 -
24:5169 -
1:22:3475 -
55:3984 -
41:00131 -
45:07126 -
44:28137