以下是关于【求近似数】的公开课/优质课视频，一共48个
39:5797-
34:5181 -
05:5982 -
05:5965 -
06:1786 -
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55:0868 -
06:48109 -
06:4289 -
39:57136 -
49:0375 -
46:10136 -
46:0998 -
49:5687 -
55:06124 -
43:24108 -
50:20109 -
25:1199 -
44:1196 -
06:51106 -
07:0148 -
45:5760 -
18:4952 -
49:2388 -
39:07137 -
39:3545 -
41:4736 -
45:4177 -
39:56140 -
40:0628 -
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38:3466 -
36:4460 -
41:2030 -
40:1498 -
39:398 -
40:21102 -
41:4758 -
40:5480 -
37:0869 -
38:3435 -
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38:1521 -
40:0875 -
43:10124 -
40:06122 -
37:2352