名词
中文翻译：算术元素
同义词：
['number', 'quantity', 'magnitude']
例句：
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1.In arithmetic, the sum of two numbers is equal to the product of their reciprocals.
在算术中，两个数的和等于它们的倒数积。
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2. The number of students in the class is an arithmetic element.
班上学生的数量是一个算术元素。
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3.The magnitude of the force can be calculated using the formula F = ma, where F is the force, m is the mass, and a is the acceleration.
力的大小可以通过公式F = ma计算，其中F是力，m是质量，a是加速度。