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

Flash Subtract is an app that will help learning subtraction be fun. This app teaches 0 to 15 additions and gives you how long it is taking you to complete each question and how many you have correct. Test yourself with time and speed! Simply choose the answer from the list of answers and your score will automatically be calculated. With this app you will see your subtraction speed and correctness increase. Wow everyone with your subtraction skills and get this app!