速算练习

速算练习



GrátisOffers In-App Purchases

3.0for iPhone, iPad and more
涛 殷
Developer
8 MB
Size
Mar 7, 2021
Update Date
Education
Category
4+
Age Rating
Age Rating
4+
Apps in this category do not contain restricted content.
9+
Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.
12+
Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.
17+
You must be at least 17 years old to access this App.
Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.
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About 速算练习

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。

锻炼数学头脑的益智练习,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.
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Novidades da Última Versão 3.0

Last updated on Mar 7, 2021
Versões Antigas
修改bugs, 完善界面, 升级应用
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Version History
3.0
Mar 7, 2021
修改bugs, 完善界面, 升级应用
2.8
Feb 9, 2021
完善UI界面, 修改bugs, 支持 App tracking transpency , 升级应用
2.6
Oct 30, 2020
修改草稿功能Bugs, 增加重复数字 X 9速算
2.4
Oct 28, 2020
增加草稿纸功能,增加 任意2位数平方速算。修改Bugs。
2.2
Sep 7, 2020
支持Darkmode, 支持 universal link, 修改Bugs
2.0
Feb 28, 2020
应用升级,解决部分界面闪退问题。
1.8
Sep 10, 2018
增加应用内购-绿色无广告版, 优化UI, 修改Bugs
1.6
Jul 12, 2018
修改bug,完善应用
1.4
Feb 28, 2018
增加印度1919乘法口诀, 2929乘法,3939乘法,4949乘法,5959乘法,6969乘法
1.2
Jul 14, 2017
分享功能增加标题和QR码
1.0
Dec 14, 2016

速算练习 FAQ

Clique aqui para saber como baixar 速算练习 em um país ou região restrita.
Confira a lista a seguir para ver os requisitos mínimos de 速算练习.
iPhone
Requer o iOS 13.0 ou posterior.
iPad
Requer o iPadOS 13.0 ou posterior.
iPod touch
Requer o iOS 13.0 ou posterior.
速算练习 suporta Chinês simplificado, Inglês
速算练习 contém compras no aplicativo. Verifique o plano de preços abaixo:
RMB18-Ad Free
R$ 14,90

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