Calculation Capability

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Do not try to exercise power calculation in this app?

Easy operation and just want to touch the screen!

Yoshi Yoshi is also in a short time to calculate diligently every day, then I'm going to concentrate also.
I tempered the force calculation.

Description of the game]
Problem of three questions will be questions.
I answered that question three.

A, "×", "÷" - "", "+", a number from 1 to 9
I put the answer and then touch the formula.

After completion when finished, touch the "combined answer."

It results to be displayed.

I can calculate in seconds what?
Tips for speed or reduce the number of times to be answered by touch as you can!

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There are also other apps.
https://play.google.com/store/apps/developer?id=tskwt
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tskwt