It is a simple game where you choose a card from among four cards with two-digit numbers written on them, and choose the combination that is closest to 100 and the sum of the numbers on the selected cards is less than or equal to 100.
If you answer correctly within 10 seconds, your score will be added depending on how quickly you answered.
You can train your calculation skills! !
■Rules
You can choose as many cards as you want.
It's OK if it adds up to exactly 100, but it's not good if it exceeds 100.
If there are multiple correct answers, any combination is correct.
■How to operate
Tap a card to select it, tap it again to restore it.
Once you have decided on the combination of cards to choose, tap the "Confirm" button.
■Menu
There are menus for ``Rules'', ``Hints'', ``Grades'', ``Explanation Site'', and ``Privacy Policy''.
If you select the "Explanation site" menu, you will access a site that explains how to find the correct answer quickly.
■Advertisement display
This app displays advertisements on the grade display screen.
*Advertisement display was added in version 2.0.0.
■Operating environment
The current supported OS is Android 8.0 or later.
Screen layout only supports landscape orientation.