速算练习

Q: ما هي اللغات التي تدعم 速算练习؟

速算练习 هي مدعومة على اللغات Chino simplificado,Inglés

GratisOffers In-App Purchases

3.0for iPhone, iPad and more

涛殷

Developer

8 MB

Size

07/03/2021

Update Date

Education

Category

Age Rating

App Store زيارة الموقع

Age Rating

Apps in this category do not contain restricted content.

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.

لقطات الشاشة لـ 速算练习

iPad

iPhone

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.