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

Mental Calculation is a free game for mental calculations.You can choose additions, subtractions, multiplications, divisions, or a mix of them.You can choose from level 1 to 9 (all free), depending on your choosing it is getting faster and more difficult, so that it can be used by little ones or adult as well.This is a perfect exercise for keeping your brain in good health.The perfect application for adults, but for children too, who want to learn the basics of math having fun.