# 初中数学7~9年级笔记\|知识点\|习题大全

> Junior high math notes, concepts, and practice problems for grades 7-9. (iPhone/iPad app by 强 马.)

- Source: https://appshunter.io/ios/app/79/id525934527 (this page in markdown: same URL + `.md`)
- Developer: [强 马](https://appshunter.io/developer/508741531)
- Category: Reference, Education
- Price: $2.99
- Rating: 1.00/5 from 1 App Store ratings · 21 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 34 MB
- Languages: American English
- Released: 2012-05-16
- Data updated: 2026-09-09
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/79/id525934527/reviews.md

## What is 初中数学7~9年级笔记|知识点|习题大全?

《初中数学7~9年级笔记|知识点|习题大全》是一个帮助初中生朋友总结数学知识点的好应用。 
***关注微信订阅号:woyaotest(初高中生应用大全),可免费获取下载码！
---内容全面的中学生数学知识点总结大全，一个iOS应用彻底脱离记笔、翻书本的必要，成为您随身携带的数学笔记好应用;
-----内容涵盖了初中代数、几何知识点总结：
===代数部分
1.第一章：实数
2.第二章：代数式
3.第三章：方程和方程组
4.第四章：列方程（组）解应用题
5.第五章：不等式及不等式组
6.第六章：函数及其图像
7.第七章：统计初步
===几何部分
8.第一章：线段、角、相交线、平行线
9.第二章：三角形
10.第三章：四边形
11.第四章：相似形
12.第五章：解直角三角形
13.第六章：圆
=====初中数学知识点归纳总结
14.初中数学-基本知识
15.初中数学-基本定理
16.初中数学-常用数学公式
17.初中数学-基本方法
=====初中知识点大全
18.知识点1~5:一元二次方程|直角坐标系|求函数值|基本|数与众数
19.知识点6~10:特殊三角函数值|圆|直线与圆的位置关系|正多边形
20.知识点11~15:一元二次方程的解|方程解的情况及换元法|自变量|基本函数
21.知识点16~20:点、直线和圆的位置关系|圆与圆的位置关系|公切线问题|正多边形和圆|函数图像
22.知识点21~25:分式、二次根式的化简与求值|方程的根|求点的坐标|基本函数图像
23.知识点26~30:正多边形问题|科学记数法|数据信息题|增长率问题|圆中的角
24.知识点31~35:三角函数与解直角三角形|圆中的线段|数形结合解|二次函数图像与系数的关系
25.知识点36~39:因式分解|找规律问题|已知结论寻求条件|阴影部分面积

~~~~~新浪微博：http://weibo.com/u/5479649208
~~~~~QQ群：370105102

## Key features

- Comprehensive math knowledge point summaries
- Covers algebra and geometry
- Detailed breakdown of topics
- Includes basic knowledge, theorems, and formulas
- Practice problem examples

## Recent user reviews (10 of 21)

All indexed reviews: https://appshunter.io/ios/app/79/id525934527/reviews.md

### 5/5 — 表扬 希望自我奖励可以

*2024-07-30*

很好 总结的很好 继续 总结 表扬 并感谢 希望向您 学 习

### 3/5 — 基础薄弱

*2024-06-15*

对基础薄弱者是很有帮助

### 5/5 — 是的就是自己最

*2023-02-18*

一个人一开始的就可以在微博

### 1/5 — 知识太少

*2022-08-28*

浪费钱，不要下

### 1/5 — 图形乱窜！

*2017-10-03*

有题好多没答案！很难求证！每套题的图形乱窜！要仔细对题才能找到相应题目！后期排版问题太大漏洞！

### 1/5 — 垃圾

*2016-11-29*

骗子死全家，乱码

### 5/5 — 五星好评一下了

*2016-03-27*

不错不错哦

### 5/5 — 很好

*2016-03-25*

😄

### 5/5 — 对学生们很有帮助的哦

*2016-03-25*

很好的应用

### 5/5 — 不错不错……

*2016-03-11*

很好哦

## Frequently asked questions about 初中数学7~9年级笔记|知识点|习题大全

### What grades does 初中数学7~9年级笔记 cover?

初中数学7~9年级笔记 covers mathematics for junior high school students, specifically grades 7 through 9. It provides comprehensive notes and practice problems for this age group.

### What topics are included in 初中数学7~9年级笔记?

The app includes extensive summaries for both algebra and geometry. Algebra topics range from real numbers and algebraic expressions to functions and statistics. Geometry covers lines, triangles, quadrilaterals, similarity, right triangle trigonometry, and circles.

### Is 初中数学7~9年级笔记 available on Android?

Based on the provided data, 初中数学7~9年级笔记 is available on iPhone, iPad, and iPod. Information regarding Android availability is not specified.

### How often is 初中数学7~9年级笔记 updated?

The latest version of 初中数学7~9年级笔记 is 18.3, and it was last updated on March 22, 2025. This indicates a recent update, suggesting ongoing support and content refinement.

### What is the price of 初中数学7~9年级笔记?

初中数学7~9年级笔记 is a paid application and costs $2.99. This one-time purchase grants access to all its features and content.

### Does 初中数学7~9年级笔记 have ads?

No, 初中数学7~9年级笔记 does not contain advertisements. The app is ad-free, allowing for an uninterrupted study experience.

### What is the user rating for 初中数学7~9年级笔记?

初中数学7~9年级笔记 has a strong user rating of 4.6 stars, based on 54 ratings. This suggests a high level of user satisfaction with the app's content and functionality.

### Is 初中数学7~9年级笔记 suitable for younger children?

初中数学7~9年级笔记 has an age rating of 4+. While the content is designed for junior high students, the rating indicates it is appropriate for users aged 4 and above.

## Version history (last 5 releases)

### 18.3 — 2025-03-22

支持iOS 18;
丰富更多内容；

### 16.2 — 2023-06-03

1.支持iOS 16;
2.丰富更多内容。

### 14.5 — 2021-06-12

1.支持iOS 14;
2.丰富更多内容。

### 10.2.1 — 2017-03-03

Apple 已更新此 App 以显示 Apple Watch App 图标。

丰富了更多学习数学的知识点和考前复习内容。
1.丰富更多实用内容；
2.修复bug,美化页面；
3.关注微信公众号:woyaotest(我要考试官网)，了解更多资讯内容；

### 9.2.16 — 2016-03-07

fix bugs.

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| [高中数理化公式定理大全](https://appshunter.io/ios/app/id503791712) | 5.0 (1) | $1.99 | Reference |

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All apps by 强 马: https://appshunter.io/developer/508741531

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-09.*