놀면서 연산

Features 놀면서 연산

Now, self-learning and automatic score check.You can check the score result stamp payment, childs learning.This is an educational content based on addition/subtraction/multiplication/division.You can manage by setting the difficulty level of the problem.The question type and the number of questions can be set freely.Lets take a break to the lion idiom page!!!A start for self-directed learning.