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freeCodeCamp/curriculum/challenges/chinese/08-coding-interview-prep/project-euler/problem-390-triangles-with-non-rational-sides-and-integral-area.chinese.md

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---
id: 5900f4f21000cf542c510005
challengeType: 5
title: 'Problem 390: Triangles with non rational sides and integral area'
videoUrl: ''
localeTitle: 问题390具有非理性边和积分面积的三角形
---
## Description
<section id="description">考虑边长为√5√65和√68的三角形。可以看出该三角形具有区域9。 <p> Sn是所有三角形的面积之和其边长为√1 + b21 + c2和√b2 + c2对于正整数b和c其积分面积不超过ñ。 </p><p>示例三角形的b = 2且c = 8。 </p><p> S106= 18018206。 </p><p>找到S1010</p></section>
## Instructions
<section id="instructions">
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>euler390()</code>应该返回2919133642971。
testString: 'assert.strictEqual(euler390(), 2919133642971, "<code>euler390()</code> should return 2919133642971.");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function euler390() {
// Good luck!
return true;
}
euler390();
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>