以下是关于【不退位减法】的公开课/优质课视频，一共53个
00:3456-
20:3989 -
20:23123 -
19:3852 -
17:3957 -
29:55111 -
05:5944 -
06:3621 -
41:17114 -
36:30124 -
19:38133 -
17:3989 -
33:1083 -
40:2851 -
39:5170 -
37:2928 -
49:1426 -
36:0771 -
31:40114 -
41:2655 -
38:1686 -
37:2880 -
41:2311 -
38:50111 -
39:4967 -
41:0389 -
43:3438 -
43:2161 -
49:2993 -
40:09114 -
41:1440 -
32:5954 -
40:4152 -
40:2695 -
36:2038 -
39:13109 -
39:1287 -
42:5329 -
30:4111 -
40:3120 -
40:3367 -
41:009 -
42:12109 -
38:47119 -
40:11104 -
39:16133 -
40:4823 -
38:20135 -
39:2137 -
39:59116 -
38:1610 -
38:1767 -
39:28109