英语词汇“triangular numbers”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	triangular numbers
释义	triangular numbers noun plural : the successive sums n(n + 1)/2 where n = 1, 2, 3, ... of the first n natural numbers 1, 3, 6, 10, 15, … representable by dots arranged in triangles
随便看	small horde small hours smalling small intestine smallish small laurel small-leaved lime small-leaved linden small line small magnolia small mean small-minded small-mindedly small-mindedness small money smallmouth smallmouth smallmouth bass smallmouth black bass smallmouth buffalo smallmouthed smallmouthed bass smallmouthed black bass smallness small nettle

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