・ Recommended for those who want to enjoy calculations while training their brains and those who want to improve their calculation skills.
・ Select a question from 21 genres.
-Create a mathematical formula using the prepared four arithmetic operations (+,-, ×, ÷) and numbers.
・ There is more than one answer, you can make it freely.
・ The more you solve, the better the calculation power and speed.
・ Because it uses the brain to the full, it can also be used as a brain training.
・ There is also a small bonus.
・ Let's solve it every day!
・ Select a question from 21 genres.
-Create a mathematical formula using the prepared four arithmetic operations (+,-, ×, ÷) and numbers.
・ There is more than one answer, you can make it freely.
・ The more you solve, the better the calculation power and speed.
・ Because it uses the brain to the full, it can also be used as a brain training.
・ There is also a small bonus.
・ Let's solve it every day!
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