问题标题:
帮我算几个找规律的题目.1,1,2,6,1,3,5,7,9,13,15,,0,1,1,2,4,7,13,2,3,10,15,26,1,10,31,70,133,1,2,3,7,46,0,1,3,8,22,63,
问题描述:
帮我算几个找规律的题目.
1,1,2,6,
1,3,5,7,9,13,15,,
0,1,1,2,4,7,13,
2,3,10,15,26,
1,10,31,70,133,
1,2,3,7,46,
0,1,3,8,22,63,
林青云回答:
1,1,2,6,12(1*2,2*3,3*4=12)1,3,5,7,9,13,15,17(奇数分组吧)1,1,1,2,4,7,13,25(4*2-1,7*2-1,13*2-1=25)2,3,10,15,26,39偶数项与其前一项的比例为2:3;1,10,31,70,133,226后项减前项得一新数列:9,21,39,63,此新数...
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