I`m Calculator电脑版

Try to find 2 numbers that add up to the required one. Hurry up! Time is short.If you win, time will increase for the next level. The game gradually becomes more complicated. You can add an extra 10 seconds for 4 times.The game has been tested by me and my friends. I has noticed an ability to consider the change at shops. The friends said that the game trained the brain.