Test your math and reaction. For example, find the answer of a formula
Test your math and reaction. For example, find the answer of a formula. Or give your a number, find out which numbers add up to equal the number. Each topic there are always have four answers to choose (may be more than one answer). You can choose three game modes and five degree of difficulty. And in order to increase the degree of difficulty and training thinking, you can use gravity control to enter the answer.
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