形容词
中文翻译：算术的
同义词：
['mathematical', 'arithmetic']
例句：
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1.The arithmetical operation of addition is the most basic one.
加法运算是最基本的算术操作。
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2. The arithmetical formula for calculating the area of a circle is pi * r^2.
计算圆面积的算术公式是π*r^2。
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3. The arithmetical sequence is a series of numbers that increase by a constant amount each time.
算术序列是一个数字系列，每次增加一个常数。