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Epsilon Development

Jelly Bean

Train your brain with mathematic operations.

The principle is very simple: on the one hand the app proposes a target number, and on the other hand it gives you some operation symbols together with a collection of digits. Then you have to reconstruct the operation to get the number.

This exercise is excellent for training in mental computation. Doing it is a very good practice for mathematics, for all the arithmetic operations: addition, multiplication, division and subtraction.

There are several levels. The first ones are very easy, ideal if you are learning to count. And step by step, it introduces more and more difficulties, becoming an excellent brain training.

Mathematics : Brain Training

Najnowsza wersja Mathematics : Brain Training