(1)解方程:
;
(2)有四个数,其中前三个数成等差数列,后三个数成等比数列,且第一个数与第四个数的和是16,第二个数与第三个数的和是12,求这四个数;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f704545224d3ce3b36e302d35a2bf85.png)
(2)有四个数,其中前三个数成等差数列,后三个数成等比数列,且第一个数与第四个数的和是16,第二个数与第三个数的和是12,求这四个数;
更新时间:2020-01-08 10:34:31
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【推荐1】已知数列
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【推荐2】已知
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