【實用教育app】SAN: Arithmetic Quiz|最夯免費app

You can enjoy mental arithmetic.Kind of calculation are the following.Arithmetic- Addition: Calculate addition- Subtraction: Calculate subtraction- Multiplication: Calculate multiplication- Division: Calculate divisionNumber- Remainder: Calculate remainder- GCD: Calculate Greatest Common Divisor- LCM: Calculate Least Common MultipleRational Number- Fraction: Find a decimal number equals to given fraction- Decimal: Find a fraction equals to given decimal number

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