【實用教育app】Subtraction - Math Flash Cards|最夯免費app-綠色工廠好玩App

Are you tired of complicated menus and interfaces for something simple as flash cards? Are you looking for an easy application that your kids can use to learn math? Then this is the application you were waiting for! Download it, try it and you will love our simple interface.++++++++++++++++++++++++++++++++++++INSTRUCTIONS:- Rotate the iPhone to start reading the flash cards. - To move from one flash card to the next one, flick your finger on the card. - Tap the card to read the other face of it with the answer. - If you want to read from capital to state simply rotate the iphone 180 degrees. - Shake the phone to shuffle the flash cards