名词
中文翻译：加法规则
同义词：
['addition principle', 'addition rule例句：1. The addition rule states that the sum of two numbers is equal to the third number.（加法规则指出，两个数的和等于第三个数。）2. In mathematics', 'the addition rule is used to add two numbers together.（在数学中，加法规则用于将两个数字相加。）']
例句：
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1. The addition rule states that the sum of two numbers is equal to the third number.
加法规则指出，两个数的和等于第三个数。
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2. In mathematics, the addition rule is used to add two numbers together.
在数学中，加法规则用于将两个数字相加。
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3.The addition rule is crucial in determining the total amount of money spent on a purchase.
加法规则在确定购买总金额时至关重要。