作业帮用上1234或者说12345排列一个38的倍数,如果不行,就用123456,再不行1234567也行.
来源：学生作业帮 编辑：拍题作业网作业帮 分类：数学作业 时间：2024/04/30 22:04:06
用上1234或者说12345排列一个38的倍数,如果不行,就用123456,再不行1234567也行.
求解有赏分.3Q
求解有赏分.3Q
用1234、12345、123456、1234567组成的符合要求的数共有142个：
13452,53124,143526,145236,215346,234156,314526,326154,351462,352146,365142,432516,451326,521436,523146,536142,562134,654132,1237546,1273456,1276534,1324756,1345276,1357246,1427356,1473526,1475236,1546372,1563472,1567234,1572364,1625374,1652734,1673254,1736524,1753624,1763542,2153764,2165734,2354176,2367514,2415736,2531674,2537146,2571346,2576134,2613754,2651374,2675314,2716354,2735164,2754316,3126754,3152746,3165742,3167452,3215674,3256714,3274156,3457126,3461572,3472516,3521764,3564172,3576142,3615472,3617524,3651724,3714652,3751246,3752614,4125736,4132576,4175326,4176352,4231756,4235176,4316572,4317256,4327516,4357612,4517326,4532716,4537162,4571362,4617532,4651732,5124376,5147632,5164732,5173624,5216374,5231764,5271436,5273146,5312476,5317264,5361724,5371642,5432176,5473216,5671234,5674312,5713642,5714326,5731426,5734162,5736214,5746132,6175342,6273154,6351472,6375412,6517342,6734512,6741352,7134652,7152436,7153462,7162354,7165432,7213654,7215364,7234516,7241356,7261534,7316254,7325146,7326514,7341562,7352164,7354216,7412356,7435612,7456132,7513246,7516324,7523164,7541632,7542316,7613452,7653124
13452,53124,143526,145236,215346,234156,314526,326154,351462,352146,365142,432516,451326,521436,523146,536142,562134,654132,1237546,1273456,1276534,1324756,1345276,1357246,1427356,1473526,1475236,1546372,1563472,1567234,1572364,1625374,1652734,1673254,1736524,1753624,1763542,2153764,2165734,2354176,2367514,2415736,2531674,2537146,2571346,2576134,2613754,2651374,2675314,2716354,2735164,2754316,3126754,3152746,3165742,3167452,3215674,3256714,3274156,3457126,3461572,3472516,3521764,3564172,3576142,3615472,3617524,3651724,3714652,3751246,3752614,4125736,4132576,4175326,4176352,4231756,4235176,4316572,4317256,4327516,4357612,4517326,4532716,4537162,4571362,4617532,4651732,5124376,5147632,5164732,5173624,5216374,5231764,5271436,5273146,5312476,5317264,5361724,5371642,5432176,5473216,5671234,5674312,5713642,5714326,5731426,5734162,5736214,5746132,6175342,6273154,6351472,6375412,6517342,6734512,6741352,7134652,7152436,7153462,7162354,7165432,7213654,7215364,7234516,7241356,7261534,7316254,7325146,7326514,7341562,7352164,7354216,7412356,7435612,7456132,7513246,7516324,7523164,7541632,7542316,7613452,7653124
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