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 noun uncountable UK DEFINITIONS1 1 calculations that you do in your mind, without writing them down Synonyms and related words General words relating to mathematics and geometry abacus a function of something algorithm mental arithmetic noun uncountable US DEFINITIONS1 1 calculations that you do in your mind, without writing them down Synonyms and related words General words relating to mathematics and geometry abacus a function of something algorithm
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