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

Mental Calculation enables you to work your calculation skills. Elementary operations can be tricky and not that easy to solve.Mental calculation embeds a great tool that adapts itself to you. The better you are the harder the questions become. If you are stuck to difficult questions you get easier ones.You can practice in the exercise section and you have calculation game in the challenge section:- How many substractions can you solve in 2 minutes?- How many divisions can you solve without any mistake ?Let's work your calculation skill and have fun with Mental Calculation!