以下是关于【十几减】的公开课/优质课视频，一共33个
28:09140-
31:41138 -
37:1443 -
41:0525 -
40:28126 -
44:2098 -
39:5229 -
33:5254 -
45:1239 -
40:45120 -
39:5561 -
37:576 -
43:3497 -
45:2987 -
41:43120 -
35:4069 -
39:2878 -
38:2046 -
42:12124 -
40:0069 -
38:0287 -
41:0054 -
42:12135 -
38:47137 -
40:1129 -
39:1687 -
40:4816 -
38:2082 -
39:216 -
39:5968 -
38:16134 -
38:17138 -
39:2893