lusishun 发表于 2023-7-16 13:38 37, 1, 2, 3, ……………………………12,
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lusishun 发表于 2023-7-16 23:22 59,这样, 1, i2,3,4,5,…………19
lusishun 发表于 2023-7-18 16:16 93, 93/3·1/2·1/3·3/5·5/7=2.214285714285714, 93=2·2+89(筛去了)=2·5+83(筛去了)=2·7+79( ...
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