The addition and subtraction in this math puzzle game isn't tough at all. What is challenging is figuring out what blocks to combine to come up with ..

The addition and subtraction in this math puzzle game isn't tough at all. What is challenging is figuring out what blocks to combine to come up with zero in the final block. If you get stuck, just click the Video button on the main screen to see how to solve each level.Swipe using the mouse or touch