速算练习

Name: 速算练习
Author: CAI, Wei

LiveCAI, Wei10 apps · 138.4K installsEducationFree · contains adscom.yinplusplus.quickcalculate

The puzzle exercises and quick calculation skills to exercise the mathematics mind, and the corresponding questions are generated. Students can practice and see the help to understand the quick calculation process.

Alert me ★ Watch Open in Play ↗

Total installs: 1,707
Installs / day: 0
Rating: —★
Released: 4 May 2016
Last update: 14 May 2026
Countries: —

Install history

exact counter from Google Play

30dAll

Installs per day · last 90 days

Change timeline

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Data safety

declared by the developer on Google Play

Shares data with third parties Device or other IDs
No data collected
Data is encrypted in transit
No way to ask for data deletion

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

3 in 1 group

0 Sensitive1 Notable2 Routine

OtherNotable3

Access to miscellaneous device features that don't fit other categories

Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
Connect to the internet to load content and send datafull network access · INTERNET

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description

速算练习收集常用的速算技巧，产生相应题目，学生可以练习，并看帮助，了解速算过程. 例如: 十几乘十几,口诀：头乘头，尾加尾，尾乘尾。头相同，尾互补(尾相加等于10)：口诀：一个头加１后，头乘头，尾乘尾。第一个乘数互补，另一个乘数数字相同：口诀：一个头加１后，头乘头，尾乘尾。头互补(头相加等于10)，尾相同口诀：两首位相乘，积加上一个尾数，得数作为前积，两尾数相乘（即尾数的平方），得数作为后积，没有十位补0。速算练习: 1.选择练习类型 2.进入练习，输入答案，或看速算过程和帮助. 3. 支持综合练习。 4. 支持批量产生练习题，并拷贝到剪贴板。 5. 支持我的练习记录历史

What's new

增加批量产生练习题目，增加历史练习记录，修改bugs

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