九九るマス計算法

Features 九九るマス計算法

Calculation training application that utilizes ninety-nine2 digit × 2-digit multiplication is attached to the body easily!Remember the double-digit × 2 digits of the calculation rules and mechanisms using the appServe the easy answer, while the calculation of training plus the ninety-nineFor enclosed mass calculation from here.https://www.youtube.com/watch?v=axEv3P8FW1M▼ MoreEnclosed mass calculation method, along the curriculum guidelines of the Ministry of Education, Culture, Sports, Science and Technology MinistryThe longhand, different way.
Its features include,· Answer to guide the can calculate training of four ninety-nine- plus it is chestnut up training of calculation- chestnut rise only 1 and 2, 3-9 does not come outUp to - 11 to 99, it is the calculation problem of double-digit multiplicationIt will be like.But is an innovative calculation training application to improve the computing power of elementary school studentsPlease help us as well as brain Training Apps