以下是关于【背负投双人组合】的公开课/优质课视频，一共79个
42:2744-
36:0749 -
39:10118 -
17:5256 -
06:0054 -
06:47136 -
39:5784 -
43:1884 -
04:59110 -
03:5972 -
06:416 -
07:0589 -
06:0899 -
1:02:0716 -
05:59111 -
1:00:1635 -
05:1458 -
03:29128 -
06:5175 -
45:2257 -
06:2981 -
45:2268 -
20:40125 -
20:1997 -
23:3412 -
23:00137 -
23:05129 -
23:3687 -
31:2444 -
42:2782 -
24:57122 -
14:0978 -
11:1567 -
39:24117 -
36:0721 -
10:0597 -
44:3680 -
39:3266 -
44:4781 -
46:11130 -
37:5567 -
45:2270 -
39:24137 -
40:2675 -
49:5972 -
46:1782 -
49:5940 -
20:05102 -
39:107 -
22:1748 -
40:0657 -
41:00109 -
41:15100 -
10:569 -
45:1377 -
39:0592 -
41:24119 -
41:2033 -
39:0994 -
45:16102 -
37:1173 -
39:566 -
41:1937 -
40:06121 -
40:3086 -
43:58136 -
37:5752 -
41:59134 -
41:51138 -
39:5178 -
31:0626 -
23:5298 -
39:0847 -
38:37122 -
40:2692《8 数学广角——搭配（二）-稍复杂的组合问题》人教2011课标版小学数学三下教学视频-贵州安顺市_紫云苗族布依族自治县-岑仕国
-
40:0530 -
41:2710《8 数学广角——搭配（二）-稍复杂的组合问题》人教2011课标版小学数学三下教学视频-黑龙江齐齐哈尔市_建华区-马常男
-
36:1399 -
40:1856