Cards Mental Arithmetic|解謎線上App不用買

This app is used to practice of your mental calculation. Or, you can use this app as the tool to learn about mental calculation. Cards Mental Arithmetic is free for downloading, welcome to try your mental arithmetic!

Features

Multi operations of math

Three levels of arithmetic

Score list

Base on android mobile operating system

Easy and simple to play

The way to play this card game

Click the game start button to play it

Choose the levels, easy, normal and hard

Press the button to check next card

Pick the right result from the results

Details playing method of each level

+++Easy mode

In this mode, there is only one operation, plus. The operation is shown above the card in this interface, calculate the numbers of each card show to you, and click to choose the right answer in the results.

Four results are shown after the calculation, you need to choose the one you think it is right. And this app will tell you whether it is right or not after you have chose it.

+++Normal mode

The playing method here is almost the same to the easy mode, but more math operations are supported in this mode, plus and minus.

++Hard mode

You need to use the operations of plus, minus and multiplication in this mode, pay attention to the operation this mode needs you to calculate above the cards, and then calculate it.

Functions introduction

Score list

Your scores are saved in this app if you want to, and you can save it with your name.

Click to open the score list in the main interface, and check the high scores.

Timing

Each mode has fixed rounds, and you will won when you cost less time and get more correct answers.

UNINSTALL

It requires you to deactivate if you have activated it by press the setting button that shown in the bottom of screen.

Open the location and security of your cell phone, uncheck this app in the section of device administration.

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Mental calculation comprises arithmetic calculations using only the human brain, without help from calculators, computers, or pen and paper.

Lots of these techniques take advantages of or rely on the decimal numeral system.

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