名词
中文翻译：口头算术
同义词：
['oral math', 'oral computation']
例句：
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1.In this class, we will practice oral arithmetic to improve our calculation skills.
在这个班级里，我们将练习口头算术来提高我们的计算技能。
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2.The teacher explained the rules of oral arithmetic to the students.
老师向学生们解释了口头算术的规则。
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3. During the exam, students were required to perform oral arithmetic calculations.
考试期间，学生被要求进行口头算术计算。