App Detail » Japy Brain - Mental arithmetic

What's New

Bug fix

App Description

Mental Arithmetic game app


Mental arithmetic game : A good brain exercise game using numbers & calculation.
You need judge whether you should subtract or add.
It must be very funny !!


●Cool math brain game
・This mental arithmetic app is very simple game.
・However, surprisingly, many people will not clear the game.

If you are confident to clear the subtract game, give it a try!!


●Skills you need
・Judgement
・Memory
・Concentration
・Computational
・Subtraction
・Addition
・Math
・Mental arithmetic
・Calculation




●How to play the Mental Arithmetic game?
Please subtract from the previous result if positive.
If negative, please add it.

For example ..
・The first card is 7
→ Result: 0 + 7 = 7

・The second card is 3
→ Result: 7-3 = 4 (7 - 3 is not negative)

・The third card is 8
→ Result: 4 + 8 = 12 (4-8 is negative, so add it)


It must be fun!!
Please try this mental Arithmetic game!

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・Service term
https://japy.jp/2022/03/service-term-en.html

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https://japy.jp/2022/03/Privacy-Policy-en.html

App Changes

• September 15, 2023 Initial release