freeCodeCamp/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-235-an-arithmetic-g...

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---
id: 5900f4571000cf542c50ff6a
title: 问题235算术几何序列
challengeType: 5
videoUrl: ''
dashedName: problem-235-an-arithmetic-geometric-sequence
---
# --description--
给定是算术几何序列uk=900-3krk-1。设sn=Σk= 1 ... nuk
找到r的值其中s5000= - 600,000,000,000。
将您的答案四舍五入到小数点后面的12位。
# --hints--
`euler235()`应该返回1.002322108633。
```js
assert.strictEqual(euler235(), 1.002322108633);
```
# --seed--
## --seed-contents--
```js
function euler235() {
return true;
}
euler235();
```
# --solutions--
```js
// solution required
```