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

The only application that execute an expression step by step , explaining what was done at each step !This app is useful for testing and teaching for all pupils of secondary schools that face for the first time this topic . Simply write your expression and hit enter to see the next step . Expression Kid describes you what was done.Help your children with their homework without lifting a finger!!