Package Name:jp.main.datdevelopment.flashmentalarithmeticworld
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About FlashMentalArithmeticWorld
Welcome to spectacle world! Let's go on an adventure for flash mental arithmetic
Flash mental arithmetic is to calculate mentally.
For example,
"+1" is displayed quickly, so flash.
And "+5", too.
At last "+3".
What's the answer?
Correct answer is "9".
This app is for play flash mental arithmetic to the fullest.
Let's go on an brain adventure!
What's new in the latest 1.8.5
Last updated on 2025-09-06
Compatible with Android 15.
Gameplay and Screenshots
- FlashMentalArithmeticWorld for Android official Trailer
Old Versions of FlashMentalArithmeticWorld
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