Regra de Tres facil

complete application of rule of three in a simple and easy way (math)the Rule of Tres Facil app is a great tool for learning, simple formula with this excellent application.characteristics:- Rule of 3 very easy to understand.- You dont need internet.- Language entirely in Portuguese.- Explanation of how to do the account.- Great design- Simple three rule calculator* Learn Rule of 3 simple in a very easy way.