Arithmetic for the first step. You can learn to add and subtract easily and become familiar with numbers.
Let's learn how to make 10 using two numbers. Add 1 to 9 is 10, 2 to 8 is 10, 3 to 7 is 10...
The answer is always single-digit figure. Beat the Robo by answering the questions.
Version history
9.4
2023-02-26
Fixed minor bugs.
9.3
2023-02-25
Fixed minor bugs.
9.2.1
2023-02-21
Fixed minor bugs.
9.2
2022-12-26
- fixed minor bugs
9.1
2020-10-11
Fixed minor bugs.
9.0
2020-08-31
Supports iPhone X
8.9
2018-05-08
- Fixed minor bugs
8.8
2017-01-26
- Fixed minor bugs
8.6
2016-06-01
- Added BGM On/Off
- Fixed minor bugs
8.5
2016-05-11
- minor bug fixed
8.4
2016-04-04
- design modified
8.3
2016-02-10
- minor bug fixed
8.2
2015-10-12
- Ready for iOS9
8.1
2015-09-25
- add 'Add Up 5' option
8.0
2015-08-20
- design modified
- app size reduced
7.1
2015-05-15
- minor bug fixed
7.0
2015-04-23
- design modified
6.7
2015-02-23
- design modified
6.6
2015-01-15
- Design modified
6.5
2014-12-09
- minor bug fixed
6.4
2014-11-20
- minor bug fixed
6.0
2014-09-18
Design modified
5.2
2014-07-07
- Design modified
5.1
2014-02-28
- minor amendment
5.0
2014-01-24
- Graphic Design modified
- BGM on/off function added in Setting