About kids problem solving results of 10,000
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17:06
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02:20
09:50
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03:14
02:56
05:49
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42:46
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10:00
08:23
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53:26
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03:49
03:13
10:01
00:58
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11:59
10:08
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09:01
02:26
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03:00
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15:42
10:25
06:06
03:59
15:27
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03:32
13:44
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