以下是关于【梯形的中位线】的公开课/优质课视频，一共79个
11:5940-
14:1133 -
44:25107 -
40:3193 -
38:3084 -
21:0824 -
47:2362 -
36:5999 -
33:2140 -
31:0848 -
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06:0040 -
06:5695 -
41:2857 -
45:5388 -
46:2297 -
09:53132 -
13:47138 -
43:3463 -
42:1589 -
41:28121 -
32:0589 -
45:3189 -
38:3096 -
42:265 -
58:59119 -
41:3584 -
47:2261 -
41:1048 -
40:3161 -
50:02117 -
38:45133 -
50:0241 -
37:0965 -
41:4081 -
43:4759 -
42:3137 -
38:4516 -
30:0048 -
42:30121 -
30:0064 -
43:5810 -
38:33126 -
43:5974 -
45:0476 -
39:126 -
43:0589 -
40:3172 -
44:4948 -
44:0467 -
41:1010 -
41:5679 -
40:30127 -
41:045 -
43:4486 -
40:2796 -
15:3922 -
13:30128 -
23:3222 -
18:116 -
45:4821 -
35:059 -
46:2251 -
41:15126 -
36:1740 -
44:4811 -
45:1143 -
38:4188 -
46:0390 -
44:10133 -
40:168 -
43:5074 -
40:08127