行测117
)1, http://tiku.huatu.com/cdn/images/vhuatu/tiku/3/357e672f5a38f4ed12dc6b5f37ddf4321951a12a.png, http://tiku.huatu.com/cdn/images/vhuatu/tiku/d/dbce523db2afdd6defecad013cc5e0820d245c37.png, http://tiku.huatu.com/cdn/images/vhuatu/tiku/e/eb5cf56b6e9ae5305f1b83ffe8bdca787935fd76.png,( )。[*]A.http://tiku.huatu.com/cdn/images/vhuatu/tiku/b/b73f579119db4a64b51dfc915d535f9720e2fcbd.png
[*]B.http://tiku.huatu.com/cdn/images/vhuatu/tiku/b/b340b9a5225ca54c6ba27bd26089f3c2d8c18795.png
[*]C.http://tiku.huatu.com/cdn/images/vhuatu/tiku/7/7b2e1ba6d8b6b78fa1810aa2c9d7261a2df07bae.png
[*]D.http://tiku.huatu.com/cdn/images/vhuatu/tiku/6/69eeb1808cc8115347f5dca2068bf2c58a05ce6a.png
华 图答案
分数数列
解析
原数列可化为: http://tiku.huatu.com/cdn/images/vhuatu/tiku/1/1cd9ad596781a0d3371ec436f4868c7788b6bd63.png、 http://tiku.huatu.com/cdn/images/vhuatu/tiku/3/357e672f5a38f4ed12dc6b5f37ddf4321951a12a.png、 http://tiku.huatu.com/cdn/images/vhuatu/tiku/d/dbce523db2afdd6defecad013cc5e0820d245c37.png、 http://tiku.huatu.com/cdn/images/vhuatu/tiku/e/eb5cf56b6e9ae5305f1b83ffe8bdca787935fd76.png,每个分数的分子为前一个数的分子与分母的和,分母为自身分子与前一个数分母的和,因此空缺项的分子为 http://tiku.huatu.com/cdn/images/vhuatu/tiku/6/69b7c238655b52818bff6a45112aba60c588f515.png,分母为 http://tiku.huatu.com/cdn/images/vhuatu/tiku/a/afeebc69b2f7c087f8878fa74e18d5bf3f355ee7.png。因此,本题答案选择D项。
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