英语词汇“mental arithmetic”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	mental arithmetic
释义	mental arithmetic From Longman Dictionary of Contemporary Englishmental arithmeticˌmental aˈrithmetic noun [uncountable] HMNthe act of adding numbers together, multiplying them etc in your mind, without writing them down I did a quick bit of mental arithmetic.Examples from the Corpusmental arithmetic• A quick bit of mental arithmetic was enough to make Chrissy weak at the knees.
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