Activate your brain with a simple game! Just select a card with a total of close to 100 from four cards with two-digit numbers written on it. If it exceeds 100, it is NG.
This is a simple game where you choose a card from four cards with two digit numbers written on it, and choose the combination that is closest to 100, with the total number of the selected cards being less than 100.
If you answer correctly within 10 seconds, your score will be added according to the speed of your answer time.
It will improve your calculation skills! !
■Rules
You can choose as many cards as you like.
Adding it is OK to just 100, but if it exceeds 100, it is not OK.
If there are multiple correct answers, the answer is correct no matter which combination you choose.
■How to operate
Tap the card to select it, and tap it again to return it to its original state.
Once you have decided on the card combination you choose, tap the "Confirm" button.
■Menu
There are menus for "Rules," "Tips," "Grade," "Explanation Site," and "Privacy Policy."
Select the Explanation Sites menu to access a site that explains solutions to quickly find the correct answer.
■Advertising display
With this app, ads will be displayed on the grade display screen.
*Advertising has been added in version 2.0.0.
■Operating environment
The current supported OS is Android 6.0 or later.
The screen layout is only suitable for landscape orientation.
July 13, 2025
July 13, 2025
July 13, 2025
July 13, 2025
July 13, 2025
July 13, 2025
July 13, 2025
July 13, 2025
July 13, 2025
July 13, 2025