This free learning app lets you have fun learning addition, subtraction, multiplication, and division using an abacus.
It is ideal for calculation practice and mental arithmetic training, and is suitable for beginners through advanced learners.
Click the beads to create a number and represent the answer to the problem on the abacus.
Click the Check Answer button to check your answer.
Click the beads and calculate!このAbacus Practice Toolについて
How to Use
Operation
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