高斯是德国者名的数学家,有“数学王子”之称,以其名字命名的成果有110个.设x∈R,用[x]表示不超过x的最大正数,用{x}=x﹣[x]表示x的非负纯小数,则y=[x]称为高斯函数,已知数列{an}满足a1
,an+1=[an]
,则a2019=_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e589def3e7fe21b601bc6d5144073202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd70e19c85a52945a9b8161c29ee507d.png)
更新时间:2020-03-16 21:03:14
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解题方法
【推荐1】意大利数学家斐波那契以兔子繁殖为例,引入了“兔子数列”
:1,1,2,3,5,8,13,21,34,55,…,即
,
(
,
),此数列在现代物理、准晶体结构、化学等有着广泛的应用.若此数列被2整除后的余数构成一个新数列
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675bcfb72c031173336ef6b432148813.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfbc6e2515ed5cf9482cd3094b9de0d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12b290971efaf65804cc756c038c43fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc250368403ec8562cf938ad1a5778cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675bcfb72c031173336ef6b432148813.png)
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【推荐2】已知数列
的首项为
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0382b4a2ab0657d2d6830bb6be2b17b6.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60773b7f19156c6f850a77605bc29be4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0382b4a2ab0657d2d6830bb6be2b17b6.png)
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名校
【推荐1】对大于1的自然数
的三次幂可用奇数进行以下方式的“分裂”:
仿此,若
的“分裂”数中有一个是73,则
的值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e242bf30aaa0e225295d9dccf8f0cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36accab23dbd172687769aea43e5781c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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【推荐2】观察下列等式:
①
;
②
;
③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c3e23186c8f8ea5645b06b6eae0a495.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92f24cd8677440373f34962ab3789d0b.png)
;
④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5275091ea4a531d8879b1198ef51d18c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e34f2c0addd0aff4282dcb0d87392d67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bbc52ab84a983bc38c7b0bdf00e8af4.png)
;
⑤![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ffb00fa0b353b49b30e09c09ca1b1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5609d33626cfca3a276cd056c5f0ed94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7760faf0e0ec1079118e5a7df5e4635c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/119bdd57cc1c318b4cae639d308ce173.png)
.
可以推测,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b07cfa500fc8bd7040c5bedf7463109.png)
____________ .
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/217d6332afc2c818115d6a4f2f14de05.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aac65a4e55a3c34a223f7fcab62359c0.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c3e23186c8f8ea5645b06b6eae0a495.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92f24cd8677440373f34962ab3789d0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289b958e4af5336c727417246ba9a0fa.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5275091ea4a531d8879b1198ef51d18c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e34f2c0addd0aff4282dcb0d87392d67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bbc52ab84a983bc38c7b0bdf00e8af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a2db3ec0167e02206943d2529e362e7.png)
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ffb00fa0b353b49b30e09c09ca1b1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5609d33626cfca3a276cd056c5f0ed94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7760faf0e0ec1079118e5a7df5e4635c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/119bdd57cc1c318b4cae639d308ce173.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99cd4c3d33d3aa1ea40cc75bb7559ad3.png)
可以推测,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b07cfa500fc8bd7040c5bedf7463109.png)
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