freeCodeCamp/guide/chinese/certifications/coding-interview-prep/project-euler/problem-175-fractions-involving-the-number-of-different-ways-a-number-can-be-expressed-as-a-sum-of-powers-of-2/index.md

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title: Fractions involving the number of different ways a number can be expressed as a sum of powers of 2
localeTitle: 涉及数量不同的方式的数量可以表示为2的幂的总和
---
## 问题175：涉及不同方式的数量的分数数字可以表示为2的幂的总和

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