和为114的三个数是一个等比数列的连续三项,也分别是一个等差数列
的第一项、第四项、第二十五项.
(1)证明:
;
(2)求这三个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667dbcb94c95d9a80e8e7f01aa8c6db4.png)
(2)求这三个数.
更新时间:2018-08-18 16:23:37
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适中
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适中
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名校
解题方法
【推荐2】已知公差不为零的等差数列
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【推荐1】记等比数列
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解答题-问答题
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适中
(0.65)
解题方法
【推荐2】数列
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