Description

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.

What's New in Version 9.4

Fixed minor bugs.