Generate test expressions freely for mental arithmetic. Choose Hearing and Seeing Mental Arithmetic Check the exercise records carefully. Say the answer carelessly, the first mental arithmetic APP to introduce speech recognition Adjust the time of mental arithmetic at will. Edit expressions freely to make learning more symmetrical. Feel free to share expressions via Wechat or QQ. Use mental arithmetic to open expression files shared by Wechat or QQ. Feel free to transfer expressions to computers or other mobile phones. All kinds of walking functions wait for you to discover
Mental Arithmetic For Learn is a free educational mobile app By Na Chen.It helps students practice the following standards .
Developer URL: http://vvvna.com
Software Version: 3.4
Release Date: 2019-08-22T19:58:46Z