Find Number description

This is a mathematical operation game. Reached the conclusion that the given numbers and mathematics to improve your intelligence.
Try the game that much more fun and requires knowledge of mathematics.

Gameplay:
- The number of the first selected, drag the other
- Choose one of the Out operation
- Repeat and reached a result of these transactions
- The last remaining number matches the number of drag on the target.

Actions:
1. The selected number (+, -, x, /) 2. selected number.

Featured Results:
- 1 or 0 can not be.
- can not be negative.

Good luck.

Keyword: Finding Number Game, Number puzzle