iPhone Giveaway of the Day - Chisla - Unique Math Puzzle

Challenge yourself with this math game.

"Chisla" is a challenging math puzzle game with simple rules.
The idea of this game is to combine the numbers to match the target to remove then from board for the short time.
Farther you go, the harder it is will become.
How far you can go?

How to play:
1. Combine the numbers to match the target.
2. Once you reach the target this numbers will remove from grid.
3. You have only 15 seconds to make each decision.
4. When you clear the row it will respawn.