【實用教育app】Sumas y Restas|最夯免費app-gigacircle

[This version is included in the Family Pack 10 x 3 with a total discount of 75%] https://itunes.apple.com/app-bundle/id924366755*** Don't miss the opportunity: Now the two applications in one at a price 66% cheaper: addition, subtraction and multiplication !!! ***https://itunes.apple.com/app/sumas-restas-y-multiplicaciones/id778702119 The first and only application to practice addition and subtraction.DESIGNED FOR TEACHERS FOR CHILDREN WHO ARE LEARNING TO ADD AND SUBTRACT.Addition and Subtraction with VISUAL AIDS SYSTEMS suitable for learning, which can be toggled.Addition and Subtraction can manage the performance of up to 6 different children.Addition and Subtraction is designed so that its use easy and intuitive.10 levels of difficulty, both sums to subtraction.With Addition and Subtraction NOT WANT TO LEAVE CHILDREN LEARN TO ADD AND SUBTRACT.