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---
id: 5900f44e1000cf542c50ff5f
title: 问题224几乎直角三角形II
challengeType: 5
videoUrl: ''
---
# --description--
如果边满足a2 + b2 = c2 - 1让我们称一个边长为a≤b≤c的整数边三角形几乎不会钝。
有多少个几乎没有钝角的三角形周长≤75,000,000
# --hints--
`euler224()`应返回4137330。
```js
assert.strictEqual(euler224(), 4137330);
```
# --solutions--