Funny Soroban as a subject that used to train the brain to the left and right side of the balance (brain balancing) for children aged between 5-13 years of training to the child, mathematical imagination, concentration and thinking processes that are reasonable.
Funny Soroban as a subject that used to train the brain to the left and right side of the balance (brain balancing) for children aged between 5-13 years of training to the child, mathematical imagination, concentration and thinking processes that are reasonable.
9Apps 4.9
