About math problem results of 10,000
02:28
05:18
03:15
03:06
02:29
02:45
02:21
03:18
03:25
03:10
03:51
03:01
03:17
01:56
02:23
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02:42
02:59
02:35
02:38
03:55
03:19
03:09
06:58
03:07
03:01
02:31
02:21
03:53
02:19
02:49
03:32
03:28
04:46
03:39
03:07
03:19
04:13
02:29
02:39
04:09
03:26
03:33
03:36
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03:19