TETRIS! Number Puzzle

The game is my independent development of a super fun digital elimination game. Game is simple, use simple, leisure fun, challenging need counsel.
Familiar figure, and simple addition, subtraction, multiplication, and division is a good game, exercise the mental arithmetic is also you usually entertainment, choice to pass the time, will let you fondle admiringly.
Game involving operation, even simple speak just entered the school children.
But want to eliminate the digital accurately, even the math experts say difficult.
Slide your finger to operation easily, play easy to get started.
Such as like the counsel master will be expected to play chess, walk every step should be carefully considered.
Don't play you'll regret it. Fun to don't stop. Let me through the operation, eliminate Numbers.