%36%30%43%48%49%50%31%6f%70%31%35%30%52%30%49%74%6a%34

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水贴

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发表于 2015-7-19 19:23:46 | 显示全部楼层 |阅读模式
1 2 3 5 8 13 21 34 55 89 144 233 377 610 987 1597 2584
4181
发表于 2015-7-19 19:56:54 | 显示全部楼层
哦!这不是文皮那韧数列吗!

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Bingo  发表于 2015-7-20 21:49
斐波那契数列23333  发表于 2015-7-19 21:00
发表于 2015-7-19 20:58:14 | 显示全部楼层
(1+1)*2+(5+3)*2+(13+21)*2+(55+89)*2+(233+377)*2+(987+1597)*2+(4181+6575)
=2*2+8*2+34*2+144*2+610*2+2584*2+10756
=(2+8+34+144+610+2584)*2+10756
=3382*2+10756
=6764+10756
=17520

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不必求和OTZ  发表于 2015-7-20 21:49
发表于 2015-7-20 09:23:34 | 显示全部楼层
不愧是水贴
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