---
id: 6363d2769078df117ce4c406
title: "指数和对数"
challengeType: 15
videoId: LhzmzugFFu8
dashedName: exponents-and-logarithms
---

# --description--

这是<a href="https://colab.research.google.com/drive/1hg7ecxGT20B8HR2mV75HzMylj9SHIWH8?usp=sharing" target="_blank" rel="noopener noreferrer nofollow">和视频配套的 Colab 笔记本</a>。

# --question--

## --text--

log<sub>5</sub>(25) 是多少？

## --answers--

0

---

1

---

2

---

5

## --video-solution--

3
